Answer:
☆<《HOPE IT WILL HELP YOU 》>☆
Explanation:
The probability of getting 4 is 1
Answer:
1/6
Explanation:
There are 6 faces, and one of them is 4. Therefore the answer is 1/6.
Please help! Due in 10 min! Please show work!
Davien and Jackson are headed to a beach that is 50km from school. At noon, Davien leaves his house that is 10 km closer to the beach than the school is and moves at 40 km/h. Jackson starts from school at 12:30 P.M. and moves at 100 km/h. What time does Davien reach the beach? *
Answer:
They both arrive at 1:00 PM
Explanation:
Amount Davien has to drive : 40km
Amount Jackson has to drive = 50km
Davien moves at 40km/h,
Therefore, it only takes Davien 1 hour to get there.
12:00 PM + 1 hour = 1:00 PM
Jackson moves 100km/h
He needs to drive 50 min, so 50/100 = 1/2
It takes him half an hour, or 30minutes
If he leaves at 12:30, then he gets there at 1:00 PM
How do you calculate Mass using the formula for force?
Group of answer choices
acceleration plus force
Force divided by acceleration
force times acceleration
force minus acceleration
---------------------------------------------------------------
How do you calculate mass using the density formula?
Group of answer choices
density plus volume
density times volume
density minus volume
Density divided by the volume
---------------------------------------------------------------
How do you calculate distance using the speed formula?
Group of answer choices
Time plus speed
speed times time
speed divided by time
speed minus time
---------------------------------------------------------------
How do you calculate volume using the density formula?
Group of answer choices
Mass times density
Mass divided by the density
Mass minus density
Density divided by the mass
---------------------------------------------------------------
How do you calculate acceleration using the force formula?
Group of answer choices
Mass divided by force
Force times mass
Mass times force
force divided by the mass
Which of the following does not affect the solubility of sugar and water
A.crushing up the sugar
B.stirring
C.Temperature
D.adding salt to the water
Find the length of a rectangle with the area 20cm² and width 10cm
Answer:
The answer is 2 because 10 times 2 equals 20
Explanation:
Answer:
2 cm
Explanation:
A=L * w
20 = 10 * L
L = 20/10
L = 2cm
True or False: Exercise is an underrated stress reliever and can be used to 25
overcome mental, physical, and emotional battles."
O True
False
Answer:
I think it is true I'm not saying it is but if you get another person who says its true say true
Explanation:
What is centripetal acceleration?
A. The acceleration of an object moving in a circular path and
directed radially toward the center of the circular orbit
B. The acceleration of an object moving in a circular path and
directed tangentially along the circular path
C. The acceleration of an object moving in a linear path and
directed in the direction of motion of the object
D. The acceleration of an object moving in a linear path and
directed in the direction opposite to the motion of the objectWhat is centripetal acceleration? (I need the answer rn)
Answer:
A
Explanation:
Because the centripetal force is always towards the radius of a circle
When is the only time that an object has no kinetic energy?
Answer:
The only time an object has NO kinetic energy is when the velocity is "Zero"
Explanation:
The object starts out with no kinetic energy and potential energy of PE = mgh where m is the mass.The kinetic energy is zero. As the object falls it loses potential energy and gains kinetic energy KE = mv2/2.
Hope I help you
(You should totally give me a Brainllest!)
It is possible that when an object is stationary and not moving, it has no kinetic energy.
Only when an item is entirely at rest does it have no kinetic energy. The energy an object possesses as a result of its motion is known as kinetic energy. It is based on the object's mass and velocity.
When an object is not moving and has no velocity, it also has no kinetic energy.
According to the kinetic energy formula,
KE = 1÷2 × mass × velocity², if the velocity is zero, the entire term involving velocity becomes zero, resulting in zero kinetic energy.
Thus, when an object is stationary and not moving, it has no kinetic energy.
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A bomber is diving towards it's target at an angle of 45 degrees below the horizontal and at a speed of 320 m/s. When the bomber is 600m above the ground, it releases its load, which then hits the target. How long will it take the bomb to reach the target?
Answer:
The time it will take the bomb to reach the target is approximately 2.402 seconds
Explanation:
The given information are;
The direction the bomber is travelling = 45° below the horizontal
The speed at which the bomber was travelling = 320 m/s
The elevation at which the bomber releases its load = 600 m
Therefore, we have;
The height at which the bomb is released, s = 600 m
The inclination of the direction of motion of the bomb = 45° below the horizontal
The magnitude of the velocity of the bomb at release = 320 m/s
The vertical component of the velocity = 320 m/s × sin(45°) = 160·√2 m/s
Therefore, the initial vertical velocity, [tex]u_v[/tex], of the bomb = 160·√2 m/s downwards
From the equation of motion, we have;
s = [tex]u_v[/tex] × t + 1/2 × g × t²
Where;
t = The time it takes the bomb to hit the target
g = The acceleration due to gravity = 9.81 m/s²
∴ 600 = 160·√2 × t + 9.81 × t²
9.81 × t² + 160·√2 × t - 600 = 0
By the quadratic formula, we have;
[tex]x = \dfrac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}[/tex]
[tex]t = \dfrac{-160 \times \sqrt{2} \pm \sqrt{(160 \times \sqrt{2} )^{2}-4\times 9.81\times (-600)}}{2\times 9.81}[/tex]
t ≈ -25.467 seconds or t ≈ 2.402 seconds
Given that t is a natural number, we have the correct option is t ≈ 2.402 seconds
Therefore, the time it will take the bomb to reach the target ≈ 2.402 seconds.
What role do electrons play in creating intermolecular forces?
The electrons repel positively charged molecules
Electron movement creates partial charges in different regions of molecules
They don't play any role
Electrons prevent dipole dipole interactions
Answer:
Electron movement creates partial charges in different regions of molecules.
Explanation:
The electrons play a role in the creation of London forces, which are intermolecular forces produced by the movement of the electrons in the atoms and molecules. The distribution of electrons will produce the formation of a temporary dipole, generating a partial charge in the atoms, which can induce a dipole into a subsequent atom (creating again partial charge), and so on.
Hence, the correct option is the second option: Electron movement creates partial charges in different regions of molecules.
I hope it helps you!
The role played by electrons in creating intermolecular forces is that electron movement creates partial charges in different regions of molecules.
Molecules are held together by intermolecular forces. There are several kinds of intermolecular forces such as;
Dipole - dipole interactionDispersion forcesHydrogen bonding etcIn all the kinds of intermolecular interactions mentioned above, interaction between molecules is made possible by movement of electrons which creates temporary or permanent dipoles in molecules due to partial charges in different regions of molecules.
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What is the mass of a bowling ball if a 48 Newton force is accelerating the bowling ball
3m/s22
16 kg
0 45 kg
51 kg
144 kg
Next
Answer: The answer is 16Kg
Explanation:If you use the formula for mass, mass=force/acceleration and plug the numbers into the formula, 48/3 you would get
16Kg
What is part of the fourth stage in the process of technological design?
O rebuilding and retesting a product
O analyzing the results of a prototype
establishing criteria for a successful product
identifying and defining a problem or need
Answer:
It is A.
Explanation:
Got it right on Edge 2022.
Rebuilding and retesting a product is part of the fourth stage in the process of technological design, therefore the correct answer is option A.
What are the stages of technological design?There are mainly five stages of the technological design
Identifying the issue that needs to be solved is the first step in every problem-solving process.
The second stage is to imagine; during this phase, a designer would generate several concepts and conduct research on potential creations. They must pick a handful of their greatest concepts and then narrow it down to the best.
The chosen product from the imaging stage is planned in the third stage. This process involves designing and drawing the product so that it may be turned into a model or prototype while taking into account the constraints they have to deal with.
Testing, evaluating, and modifying the product are the fourth stage. The designer can determine what they appreciate about their product and what they could change by making a model or prototype of it. Through product testing, this is discovered. If adjustments are required, the designer will repeat the entire procedure until they are satisfied with the final result.
The sharing of your solution is the fifth step. To gather comments, discuss your ideas with others, and enhance your product, you showcase your solution. You might show your answer to a bigger audience in later stages after you've gone through the design process a few times. This is comparable to how World of Inquiry students modifies their homework numerous times before presenting them during the expedition.
Thus, Rebuilding and retesting a product is part of the fourth stage in the process of technological design, therefore the correct answer is option A.
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How can regular participation in physical activity improve an individual's overall health?
A Regular participation in physical activity reduces the risk of developing various diseases.
В. Regular participation in physical activity allows an individual to function on less sleep.
Regular participation in physical activity reduces the need for a balanced diet.
D. Regular participation in physical activity prevents an individual from developing certain
diseases
Please select the best answer from the choices provided
ОВ
OD
Answer:
a) Regular participation in physical activity reduces the risk of developing various diseases.
Answer:
I think A
Explanation:
I did some research on this today for class, here is what I wrote if you want an understanding why I think A is the answer: Exercise can cause a temporary boost in the production of macrophages, the cells that attack bacteria. During moderate exercise, immune cells circulate through the body more quickly and are better able to kill bacteria, which can help you not get colds and viruses, after a few hours the immune system will return to normal, the more you exercise the longer the effects will last. So the more you exercise the better your immune system will be!
Hope this helps, I attached a pdf of the form and stuff I used earlier if you want some info...
(tell me if it doesnt work)
Physics is Confusing :( pt 2
Answer:
C
Explanation:
yeah it is
what is the relationship between velocity and kinetic energy?
Answer:
when an object has more velocity, it tends to have less potential energy and more kinetic energy.
Explanation:
kinetic energy is the energy of movment and velocity helps to describe movement
You are warming a pot of ice. Explain what happens to the temperature when the water reaches its melting point and boiling point.
Answer:
Frozen water molecules vibrate more and more until they break free of the ice crystal. Liquid water molecules move faster and faster until they break free of the liquid.
Until all the bonds keeping the molecules in a crystal structure are broken, nothing can be done to raise the kinetic energy of the molecules in the liquid state. Thus, the temperature doesn't change until all the ice has melted. When water is heated to boiling point, the same thing occurs.
What are the melting point and boiling point?Melting point, the temperature at which a pure substance's solid and liquid states can coexist in equilibrium. A solid's temperature rises when heat is added to it until it reaches the melting point. The solid will then become a liquid with no change in temperature with the addition of more heat.
The temperature at which the pressure of a liquid exerted by its surroundings equals the pressure of the liquid's vapor is known as the boiling point. At this temperature, the addition of heat causes the liquid to turn into its vapor without rising the temperature.
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Give one specific example of matter changing one state to another
Answer:
water can change to a solid even though its a liquid
Explanation:when water freezes it turns into a solid
The ice cube floating in my sody is getting smaller and smaller.
There was a puddle of rain water on the ground by the side door this morning, but there's no puddle there now.
If I traveled 30 miles in 1 hour, then 20 miles in 1 hour, and 50 miles in 3
hours, what is my average speed?
Answer:
The answer is 20 miles/hr
Explanation:
HELP ASAP!! BEING TIMED
What type of sphere is a cliff?
Atmosphere
Cryosphere
Geosphere
Hydrosphere
Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).
Explanation:
A woman performs 2000 J of work in order to push a cart full of groceries 50 meters. How much force did she apply to the cart?
Answer:
workdone = force x displacement
force = work done /displacement
= 2000 / 50
= 40 N .
In a scientific test conducted in Arizona, a special cannon called HARP (High Altitude Research Project) shot a projectile straight up to an alti-tude of 180.0 km. If the projectile's initial speed was 3.00 km/s, how long did it take the projectile to reach its maximum height?
Answer:
It took the projectile 120 s to reach the maximum height.
Explanation:
Given;
maximum height of the projectile, s = 180 km = 180,000 m
initial speed of the projectile, u = 3 km/s = 3000 m/s
final velocity at maximum height, v = 0
Apply the following kinematic equation for average velocity of the projectile;
[tex]s = (\frac{v+u}{2} )t\\\\(v+u)t = 2s\\\\t = \frac{2s}{v+u} \\\\t = \frac{2*180,000}{0+3,000}\\\\ t = 120 \ s[/tex]
Therefore, it took the projectile 120 s to reach the maximum height.
Sally and Misha pushed a cart toward the right with a force of 24 N each. If Jeff pushed on the cart in the opposite direction, how much force would he need to use to cause the cart to experience balanced forces? (Answer with a number)
Answer:
F = 48 [N]
Explanation:
To solve this problem we must use Newton's third law, which tells us that the sum of forces on a body must be equal to zero, that is, the body is in static equilibrium or in equilibrium.
ΣF = 0
24 + 24 - F = 0
F = 24 + 24
F = 48 [N]
Note: Jeff's force should be equal to the sum of Sally and Misha's forces, but in the opposite direction.
The force of gravity increases when two objects move closer together.
True or False?
The force of gravity increases when two objects move closer together. This is true statement.
What is force?The definition of force in physics is: The push or pull on a massed object changes its velocity.
An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude. The application of force is the location at which force is applied, and the direction in which the force is applied is known as the direction of the force.
A spring balance can be used to calculate the Force. Newton is the SI unit of force.
The force of gravity between two objects is inversely proportional to the square of the distance between them. Hence, the force of gravity increases when two objects move closer together. This is true statement.
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The organisms and environments that make up a community, called an Response area, are constantly changing. Sudden and violent events, such as Response area from the ocean and Response area, that often cause these changes are called Response area. Response area results when rainfall exceeds the holding capacity of a drainage system.
Answer:
ecosystem; hurricanes and tornadoes; catastrophic events.; Fooding; moving water; soil
Explanation:
After using the word bank to fill in the blanks in the passage, the passage reads;
"The organisms and environments that make up a community called an ecosystem are constantly changing. Sudden and violent events, such as hurricanes and tornadoes that often cause these changes are called catastrophic events. Fooding results when rainfall exceeds the holding capacity of a drainage system. The energy of the fast-moving water and the layers of sediment carried by it can uproot or bury plants, reshape the soil and destroy roads and buildings."
a car traveling at a speed of 46 m/s encounters an emergency and comes to a complete stop. how much time will it take for the car to stop if it accelerates at -1m/s/s
Who yall think gonna win Seahawks or Vikings? Seahawks all the way
Answer:
Seahawks
Explanation:
THEY ARE THE BEST TEAM!!!
Answer:
seahawks
Explanation:
yes they r gud
do you think objects will be able to move without action and reaction forces?
A plane is heading south at 250 mi/hr. If the jet stream (wind) is blowing from west to the east at 80 mi/hr, what is the speed and direction of the plane?
Answer:
Speed = 262.49
Direction = 72.26°
Explanation:
[tex] \sqrt{ {250}^{2} + {80}^{2} } [/tex]
=262.49mi/hr
[tex] \tan( \alpha ) = \frac{y}{x} [/tex]
[tex] \tan( \alpha ) = \frac{250}{80} [/tex]
[tex] \alpha = {tan}^{ - 1} ( \frac{250}{80} )[/tex]
=72.26°
1 What is the main function of nucleic acids?
2 Forming much of the structure of cells
3 Providing a layer of insulation
4 Storing energy
5 Storing genetic information
Answer:
storing genetic information
a runner covers the last straight stretch of the race in 4 s. durning that time, he speeds up from 5 m/s to 9m/s what is the runners acceleration in this part of the race?
Answer:
The runner's acceleration was [tex]1\ m/s^2[/tex]
Explanation:
Constant Acceleration Motion
It's a type of motion in which the velocity of an object changes by an equal amount in every equal period of time.
Being a the constant acceleration, vo the initial speed, vf the final speed, and t the time, the following relation applies:
[tex]v_f=v_o+at[/tex]
Solving for a:
[tex]\displaystyle a=\frac{v_f-v_o}{t}[/tex]
The runner speeds up from vo=5 m/s to vf=9 m/s in t=4 seconds, thus:
[tex]\displaystyle a=\frac{9-5}{4}[/tex]
[tex]\displaystyle a=\frac{4}{4}=1[/tex]
The runner's acceleration was [tex]1\ m/s^2[/tex]
How many Joules of heat are released from a 400g piece of glass that has been
cooled from 28°C to 6°C? The specific heat for this particular type of glass is 0.664
J/gºC.
Answer:
65c
Explanation:
