As the volume of the container increases the pressure inside will decrease because the atoms have more room to move around in.
Answer:
In a container of the same volume, a greater number of molecules results in greater pressure. Gas pressure increases as container volume decreases.
Hope this helps you!!
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Thankyou for joining Brainly Communicty!!How much power is produced if you have a current carrying a 441 j of enegy in 0.19 s?
Answer:
the answer is 2321 watts
Explanation:
power= energy/time
power= 441/0.19=2321.05watts
While 75-kg Anthony roller skates at 3 m/s, 60-kg Sue jumps into his arms with a velocity of 5 m/s. How fast does the pair go together?
Velocity: m/s
Direction:
inelastic collision
75.3+60.5=(75+60)v'
225+300=135v'
v'=3.8 m/s
direction = positive = right
if both the mass and velocity of a moving object are doubled, how will the objects momentum change
Answer:
The momentum will quadruple
Explanation:
Original momentum
momen = mv
now increase both
momen = 2m * 2v = 4 mv <====== the momentum has quadrupled
A year is the time it takes a planet to complete one orbit. use your data to estimate the year length for each planet. use time units of earth years or earth months. why does it take the outer planets so long to orbit the sun? try to come up with 2 reasons.
The planets of the solar system has the orbiting time.
Mercury- 88 days, Venus-225 days, Earth- 365 days, Mars-687 days, Jupiter- 12 years, Saturn- 29 years, Uranus- 84 years, Neptune- 165 years, Pluto- 248 years.
What is solar system?Solar system consists of all the planets and the most importantly the center of the solar system is Sun.
Sun is the main focus of the solar system. It emits high temperature light rays on the planets which in turn emit lights and be visible.
Outer planets take longer to orbit the sun because the gravitational pull is weaker as shown in the inverse square law.
The outer planets very far away from the Sun, means that they have more distance to cover in their orbit.
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Compare the mass on neptune (68.11) to the weight on neptune (905.863). what is the difference? why is there a difference?
Select all the correct answers. a silver coin rubs vigorously against a wool cloth. the cloth becomes positively charged. which statements are true? the silver coin lost electrons. the silver coin gained electrons. the wool cloth lost electrons. the wool cloth gained protons. the wool cloth lost protons.
The true statements are, the silver coin lost electrons and the wool cloth lost protons.
What is a positive charge?A positive charge is an ion with excess proton. In this process the atom deficient number of electron as compared to protons.
When a silver coin is rubbed vigorously against a wool cloth, the silver coin which is a metal will loss electron, having excess number of protons and becomes positively charged in the process.
Thus, the true statements are;
the silver coin lost electrons and the wool cloth lost protons.
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1. A material through which a wave travels
A.) Velocity
B.) Increases
C.) Decreases
D.) speed
E.) medium
Answer:
Medium
Explanation:
I took a test on this last semester.
Which of the following statements are true about gravity?
Check all that apply.
O A. Gravity doesn't exist between the Earth and the sun.
B. Gravity exists in the whole universe.
C. Gravity is a force that pushes two or more objects apart.
D. Gravity exists between two or more objects that have mass.
Answer:
B and D
Explanation:
A is wrong because objects with mass have gravity and the Earth and Sun both have mass. As we know, the Earth orbits around the Sun and the reason si because gravity.
B is corrects because throughout the whole universe there are objects like planets and meteors and more. All these objects have gravity because they have mass.
C Gravity pulls things together that is why we are on Earth and not pushed away into space.
D is correct, using Sun and a meteor. When a meteor comes within the gravity range of the sun, the sun pulls the meteor toward it. Without anything around the sun, nothing happens because there is nothing to pull.
a force of 50 N directed 30 degrees above the horizontal is applied to a 10 kg block at rest on a rough horizontal surface. what is the coefficient of kinetic friction between the block and the horizontalsurface if the acceleration of the block is 20 m/s^2
The coefficient of kinetic friction between the block and the horizontal surface will be 1.597.
What is kinetic friction?A force that acts among sliding parts is referred to as kinetic friction. A body moving on the surface is subjected to a force that opposes its progressive motion.
The given data in the problem is;
μ is the coefficient of kinetic friction=?
m is the mass of the block=10 kg
g is the acceleration due to gravity= 9.81 m/s²
Acceleration of block(a)=20 m/s²
Force (F)= 50 N
θ=30°
There are two forces to act on the block, one is the force directed while the other was the friction force opposing the motion.
From the newton's second law;
F= ma
F-f = ma
Fcos30°- μmg=ma
50cos 30°-μ× 10×9.81 =10 × 20
μ= 1.597
Hence, the coefficient of kinetic friction will be 1.597.
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All the following are momentum oscillators except a. Relative Strength Index (RSI) b. Moving Average Convergence/Divergence (MACD) c. Stochastics d. Advance/Decline Line
All the following are momentum oscillators except Advance/Decline Line.
What are momentum oscillators?
Momentum oscillators measure the amount that a security's price has changed over a given period of time.
Examples of momentum oscillatorsRelative Strength Index (RSI) Moving Average Convergence/Divergence (MACD) StochasticsThus, all the following are momentum oscillators except Advance/Decline Line.
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Motion
Force
Which property of the ball is constant?
speed
acceleration
direction
momentum
The property of the ball that is constant is acceleration because the rate of it's distance is constant.
What is constant acceleration?Constant acceleration refer to the rate of the velocity of the body that is moving at constant rate or when the rate of change of distance of an object with respect to time is constant.
Therefore, The property of the ball that is constant is acceleration because the rate of it's distance is constant.
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at constant temperature and pressure, gas volume is directly proportional to the
Answer:
number of moles of gas.
Explanation:
The mass of the Moon is 7.35 × 1022 kg and its radius is 1738 km. What is the gravitational field strength on the surface of the Moon?
Answer:
g = 1.62 N/kg
Explanation:
g = GM/r²
= (6.67 x 10⁻¹¹ x 7.35 x 10²²) / (1738 x 10³)²
= 1.62 N/kg
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if nominal gdp is 1800 and the money supply is 450, then what is velocity?
Answer:
Explanation:
answer: 4 velocity.
if nominal gdp is 1800 and the money supply is 450, then what is velocity?
4 velocity.
If the nominal GDP is 1800 and the money supply is 450, then the velocity of money would be 4.
The total value of goods and services generated in an economy during a given time period, usually a year, is referred to as nominal GDP and is not adjusted for inflation. It depicts what products and services are now selling on the market.
Given:
Nominal GDP, PQ = 1800
Money supply, M = 450
From equation of exchange:
MV = PQ
V = (PQ) ÷ M
V = (1800) ÷ (450)
V = 4
Hence, if the nominal GDP is 1800 and the money supply is 450, then the velocity of money would be 4.
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Please help me guys please help please
Answer:
C = frequency × wavelength, where C is the speed of the photons which is the speed of light ~3×10^8
frequency = C/wavelength
f = 3×10^8/400×10^-9m
f = 3/4 × 10^15Hz
f = 0.75×10^15Hz
f = 7.5×10^14Hz
Assuming we receive a signal from a civilization on the other side of our galaxy, a two-way conversation with them is ________.
. Define density. How can you calculate density of an irregular shape solid body.
Answer:
a measure of the amount of information on a storage medium
Density= mass
volume
it symbol is roh
Explanation:
To find density
we need the mass and volume we have to devide both of the
A temperature inversion prevents the ____ currents that would carry pollutants up into the atmosphere
Answer:
convection
Explanation:
Starting from rest on a level road a girl can reach a speed of 5 m/s in 10s on her bicycle. Find average speed and distance traveled in 10s.
Answer:
Average speed = 2.5 mph
Distance = 22.352 meters
Explanation:
Calculate speed, distance or time using the formula d = st, distance equals speed times time.
Calculate speed, distance or time using the formula d = st, distance equals speed times time.
You can use this formula for any question like this
what do you know in climate change?
Climate change is the reason for a lot of factors such as:
Heat-trapping Greenhouse Gases And The Earth's Climate
Greenhouse Gases
Reflectivity or Absorption of the Sun's Energy
Changes in the Earth's Orbit and Rotation
Variations in Solar Activity
Changes in the Earth's Reflectivity
Volcanic Activity
There's a lot more that I could list, but hopefully this will do.
The four fundamental forces are c. strong force, weak force, electromagnetic force, gravity. b. nuclear force, gravity, tidal force, magnetic force. d. nuclear force, electromagnetic force, gravity, tidal force. a. strong force, weak force, electric force, magnetic force.
Answer:
The statements that describe the relationship between history and geography are:
Geography is the setting of the history's story.
Geography plays a role in historic events.
History affects geography, and geography influences history.
The second, third, and the fifth statements are the correct answers.
Explanation:
first 1=2=5=3=0=5=8=7=x=y
An airplane is flying in a horizontal circle at a speed of 490 km/h. If its wings are tilted at angle ɵ = 45° to the horizontal, what is the radius of the circle in which the plane is flying? Assume that the required force is provided entirely by an “aerodynamic lift” that is perpendicular to the wing surface.
The radius of the circle in which the plane is flying is 1887 m.
What is aerodynamic lift?The aerodynamic lift is the force that keeps the aircraft flying in the air.
Let the aerodynamic lift be F1 sinθ= mv^2/R ---- (1)
and F1 cosθ= mg --------- (2)
Equating (1) and (2) and eliminating the mass;
R = v^2/ g tanθ
Where v = 490 km/h or 136 m/s
R = (136)^2/9.8 * tan 45
R = 18496/ 9.8
R = 1887 m
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It takes less effort to lift a piano with a pulley. If the piano is lifted 3 meters, then...
Select one:
a. the pulley rope is pulled 1 meter.
b. the pulley rope is pulled more than 1 meter, but less than 3 meters.
c. the pulley rope is pulled 3 meters.
d. the pulley rope is pulled more than 3 meters.
Answer:
b
Explanation:
It takes less effort to lift a piano with a pulley. If the piano is lifted 3 meters, then the pulley rope is pulled more than 1 meter, but less than 3 meters.
It takes less effort to lift a piano with a pulley. If the piano is lifted 3 meters, then. The correct answer is a. the pulley rope is pulled 1 meter.
When lifting a piano using a pulley system, the distance the pulley rope is pulled will be the same as the distance the piano is lifted. This is due to the mechanical advantage of the pulley, which reduces the amount of effort needed to lift the piano but does not change the distance the rope is pulled.
In a simple single fixed pulley system, where one end of the rope is attached to a fixed point and the other end is used to lift the piano, the distance the pulley rope is pulled will indeed be the same as the distance the piano is lifted.
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What is the speed of light in quartz
Answer:
Approximately 2.06⋅108 meters per second.
Explanation:
in what unit do we measure electric current?
Answer:
Ampere
Explanation:
The SI unit of electric current is Ampere (A) after French physicist Andre Ampere who discovered electrical current
Explain how the motor takes advantages of electromagnetism to work?
What is the best definition
of the atomic number?
A. the number of protons found in the nucleus
B. the number of protons found outside the
nucleus
C. the number of neutrons found in the nucleus
a is the correct answer
Explanation:
no.of proton defines atomic number in an atom
Answer: a
Explanation:
An atomic number is the number of protons found in the nucleus. The number of protons is equal to the number of electrons. The atomic mass the atomic number add the amount of neutrons.
In winter, your classroom is warmed by a heater. Your teacher asks you to close the window because "this will stop the cold from getting in". Explain what is actually happening to the flow of heat in this scenario.
When the window is closed the heat is trapped inside the classroom which is circulating around the room but when the window is opened, the heat is escaping so most of the heat is escaping rather than circulating the room.
In winter, your classroom is warmed by a heater. Your teacher asks you to close the window because "this will stop the cold from getting in" because of the thermal gradient present between the outside colds air and the warm air present inside the room, as the window gets closed the outside air would not able to extract the thermal energy of the warm air present inside the room.
What is thermal energy?It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.
Thermal energy can be produced with help of various means such as by burning fossil fuels, with the help of solar energy.
As given in the problem statement In winter, your classroom is warmed by a heater. Your teacher asks you to close the window because "this will stop the cold from getting in because when the window is closed the cold air from the outside would not be able to extract the heat from the warmed air present inside the room
Thus, the flow of heat would get obstructed by the closing of the window
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When cell a sends a message to
cell b, ? occurs at cell
b.
a. osmosis
b. active transport
c. synaptic transmission
Answer:
c. Synaptic transmission
Explanation:
To transmit impulses/electronic signals around the body, nerve cells transfer messages across the synapse and the movement of the chemicals from one cell to the other is known as either diffusion or synaptic transmission.
Which of the following is LEAST likely to be the result of a genetic mutation?
A
A horse with a particularly long neck
B
A man with a beard
С
An albino squirrel
D
A plant that produces fewer seeds than normal
Answer:
B. man with a beard
Explanation:
it is not a genetic mutation because it is completely natural and common unlike the other options.
