The maximum height reached by the ball during the upward motion is 24.7 m.
The given parameters;
initial velocity of the ball, u = 22 m/sThe maximum height reached by the ball is determined using the third kinematic equation as shown below;
v² = u² - 2gh
where;
v is the final velocity of the ball at the maximum height = 0h is the maximum height attained by the ball0 = u² - 2gh
2gh = u²
[tex]h = \frac{u^2}{2g} \\\\h = \frac{22^2}{2(9.8)} \\\\h = 24.7 \ m[/tex]
Thus, the maximum height reached by the ball during the upward motion is 24.7 m.
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NEED HELP!!! 10 POINTS!!!
1. Biometrics are not completely understood but should be considered as part of overall health.
A.
True
B.
False
2. Breath work, meaning controlled breathing, is part of what kind of activity?
A.
isometric
B.
eccentric
C.
biometric
D.
concentric
PLEASE NO LINKS
Answer:
i think firest one is true
and the second one is D
__________ invented the analytical engine, a machine that did calculations.
Answer:
Charles Babbage
Explanation:
Analytical Engine, generally considered the first computer, designed and partly built by the English inventor Charles Babbage in the 19th century (he worked on it until his death in 1871).
You can't see anything if time stop..
Explain
You can't see anything if time would stop:
This is in fact true...if time stops then photons will also stop and they will unable to reach your eyes, so would your metabolism and cellular activity. Thus you won't be able to see anything.
Hope this helped you- have a good day bro cya)
Answer:
You can't see anything if time stop..
Explanation:
IG
Explain why the coin is able to float on top of the water in this glass.
Answer:
Surface tension is the result of water molecules pulling inward with a strong attractive force. This attractive force brings the molecules on the surface of the water close together and causes the surface of the water to be drawn toward the water molecules beneath the surface. Since there are no water molecules above the surface, there are uneven forces. This causes surface tension, allowing the coin to float on the water’s surface.
Explanation:
Brainliest pls
The graph shows how the acceleration due to gravity inside and outside of Earth varies with radial distance away from Earth’s center of mass. Earth is assumed to be a perfect sphere of constant density.
a) Write the relation between "g" and "r" at region A.
b) Write the relation between "g" and "r" at region B.
up down all around
yuh i said
up down all around
Why does the force between the locomotive and the first car always have to be larger
than the force between the first car and the second?
Answer:
Because the locomotive does most of the pulling
Two rocks are at the top of a building. Rock 1 is dropped from rest while Rock 2 is thrown horizontally at a velocity of 5 m/s.What is the horizontal acceleration of Rock 2
The horizontal acceleration of the rock 2 is zero.
The given parameters;
initial velocity of Rock 1 = 0
initial horizontal velocity of Rock 2 = 5 m/s
An object falling under the influence of gravity experiences acceleration due to gravity which is always directed vertically downwards.
An object moving horizontally is not affected by gravity and thus will experience no acceleration in the horizontal direction.
Thus, we can conclude that the horizontal acceleration of the rock 2 is zero.
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How much energy will it take to heat a 8kg object with a specific heat capacity of 820J/kg℃ from 15℃ to 50℃
Explanation:
h=mcƦ
where Ʀ means change in temperature
h=8×820×(50-15)
=8×820×35
=229600j
=229.6kj
A spacecraft orbiting a planet at an altitude of 120 km releases a satellite that falls towards the surface. The planet has a mass of 5.2 x 10^23 kg and a radius of 2800 km. What is the acceleration of the satellite?
Answer:
Consider a satellite with mass Msat orbiting a central body with a mass of mass MCentral. The central body could be a planet, the sun or some other large mass capable of causing sufficient acceleration on a less massive nearby object. If the satellite moves in circular motion, then the net centripetal force acting upon this orbiting satellite is given by the relationship
Fnet = ( Msat • v2 ) / R
Explanation:
The acceleration of the satellite released from a spacecraft orbiting a planet at an altitude of 120 km and the planet has a mass of 5.2 x 10^23 kg and a radius of 2800 km is 4.426 * [tex]10^6[/tex] [tex]m/s^2[/tex].
What is acceleration?
The term "acceleration" refers to the rate and direction at which velocity varies over time. Acceleration is the change in direction or speed of an object or points moving ahead. The frequent change in direction causes motion on a circle to rise even when the speed remains constant.
For all other motions, these effects increase the acceleration. A vector quantity, acceleration, is something that has both a magnitude and a direction. Velocity is a vector quantity as well.
Given:
The altitude of the spacecraft, h = 120 km,
The mass of the planet, m = [tex]5.2 * 10^{23}[/tex] kg,
The radius of the planet, r = 2800 km.
Calculate the acceleration by the formula given below,
A = [tex]G* m /r^2[/tex]
Here, A is the acceleration, G is the gravitational constant,
Substitute the values,
A = 6.674 * [tex]10^{-11}[/tex] *5.2 * [tex]10^{23}[/tex] / [tex]2800^2[/tex]
A = 4.426 * [tex]10^6[/tex] [tex]m/s^2[/tex]
Therefore, the acceleration of the satellite is 4.426 * [tex]10^6[/tex] [tex]m/s^2[/tex]
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Below is a diagram of a weight on a spring. When the weight is pulled down and then released, the spring compresses and expands. Each position indicates a different point in time.
Which of the following statements is true?
a
In all four positions, mechanical energy is 0 J.
b
The elastic potential energy of the spring at Position 2 is converted to kinetic energy.
c
The chemical potential energy of the spring is greatest at Position 4.
d
In all four positions, the gravitational potential energy of the spring is the same.
Answer:
B.
Explanation:
The elastic potential energy of the spriy at position 2 is converted to kinetic energy.
The elastic potential energy of the spring at Position 2 is converted to kinetic energy. Option (B) is correct.
What is potential energy?The energy held within an object is known as potential energy. There are several different types of potential energy, including gravitational potential energy, elastic potential energy, and electric potential energy.
Here, the energy that an object possesses as a result of its position in relation to other objects is referred to as its gravitational potential energy.
Elastic potential energy is the energy that an object possesses as a result of the stresses that exist inside its body.
At Position 2, the elastic potential energy of the spring is converted to kinetic energy.
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Why is the oort cloud important for understanding the formation of the solar system?
The Oort cloud is the proximate source of observed nearly parabolic, so-called 'new' comets entering the planetary region, and is also the presumed source of the long-period comet flux and the majority of Halley-type comets (HTCs).
The oort cloud is important for understanding the formation of the solar system.
What is oort cloud?It is believed to be an important source of comets that can provide valuable information about the conditions and processes that were present in the early solar system.
Here,
The Oort Cloud is important for understanding the formation of the solar system because it is believed to be a reservoir of icy bodies that formed early in the solar system's history. These icy bodies, which include comets, are thought to have played a key role in the early evolution of the solar system by delivering water and other volatile materials to the inner solar system, including the early Earth.
By studying the composition and properties of comets from the Oort Cloud, scientists can gain insights into the formation and evolution of the solar system and learn more about the conditions that were present in the early solar system.
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to analyze the characteristics and performance of the brakes on a 1500 kg car, researchers collected the data shown in the table above. it shows the car’s speed when the brakes are first applied and the corresponding braking distance required to stop the car. the magnitude of the average braking force on the car is most nearly:
He magnitude of the average braking force is 12,000 N.
The braking force can be calculated using the following formula:
Braking Force = (0.5 x mass of the car x squared velocity) / distanceNow, let's use this formula to find the Braking force in each case based on the information of the chart:
F = (0.5 x 1,500 x 100) / 6.1 = 12,295F = (0.5 x 1,500 x 400) / 23.9 = 12,550F = (0.5 x 1,500 x 900) / 53.5 = 12,616Now, let's add the results and divide the result into three to find the average:
12,295 + 12,550 + 12,616 = 37,461/ 3 = 12,487From these, the option that is the most similar is C 12,000 N
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who invented the first telescope
Answer:
Hans Lipperhey
....................................
how many moons are in our galaxy if u count all the other planets moons?
please someone should help me and solve this is under Hooke's law
[tex]F=k(l_1-l_2)[/tex]
[tex]10=5k[/tex]
[tex]k=2[/tex]
[tex]15=2*(30-l_2)[/tex]
[tex]15=60-2l_2[/tex]
[tex]2l_2=45[/tex]
[tex]l_2=22,5cm[/tex]
Demarcus launches a small weight into the air. The weight takes 6.4 seconds to reach the ground again. At what time did the weight have a vertical velocity of 0 meters per second?
which contains the particles that are vibrating fastest?
Answer:
Boiling water
Explanation:
A book is to be produced with pages of thickness 0.125mm.If the book is to be exactly 1cm thick what is the maximum number of pages it can contain?
Answer:
1cm=10mm
10cm/0.125mm
80pages
una fila di ballerini lunga complessivamente 2,3 m sta avvicinandosi perpendicolarmente a uno specchio. Se il primo ballerino, essendo miope, percepisce i contorni in modo nitido degli oggetti lontani al massimo 6 m, a quale distanza dallo specchio comincerà a vedere chiaramente l'ultimo ballerino della fila?
Answer:
A Benjamin Franklin
B George Washington
C Abraham Lincoln
D John Adams
Explain why adding ice to a drink can cause water droplets (condensation) to appear on the outside of the glass?
Answer:
it just condensed you know it isn't a big deal whatever happens does change anything
What is a name of a isotope of carbon
Answer:
I've heard of many different names of isotopes of carbon, and they're Carbon-14, Deuterium, Hydrogen-1, Oxygen-18, boron-11, Nitrogen-14, and Neon-20.
how would a rock respond to stresses applied at depth?
The rock will compress as the stress applied increases with depth and it will break when it cannot withstand the stress.
The pressure or stress on the rock is defined as force per unit area of the rock which equally increases with depth. This can be expressed as follows;
[tex]P= \frac{F}{A}\\\\P = \rho gh[/tex]
where;
P is the pressure applied to the blockA is the area of the rock h is the depth in which the rock is subjected to g is acceleration due to gravityThus, we can conclude that the stress on the rock will increase with increase in depth. The rock will compress as the stress applied increases with depth and it will break when it cannot withstand the stress.
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Which force allows you to speed up, slow down, and make turns?
Answer: Friction force
Happy To help ;)
Explanation:
HELP
How do i find the centripetal acceleration and force from the mass and radius????
I wasn't given any velocity value please help
Answer:
"ac = v2/r"
This is the formula and is the main step to learning about how to figure out the centripetal acceleration and force from mass and radius.
what is sound wave and examples
★ « what is sound wave and examples » ★
A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water, or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration, such as a ringing telephone, or a person's vocal chords.hope it helps
what is occurring when a light wave goes through a pane of glass in a window?
Answer:
transmission: the passing of a wave through an object
Explanation:
based on the illustrations, what happens to current in the presence of resistance in the connecting wire?
it prevents the current from passing through properly causing a surplus of voltage
what can be done not to let anyone of the country be hungry and clothless discuss in groups and present your findings in the class
...get food to people in need when they need it...
In star wars, john williams used the __________ concept of romantic opera in which a character is assigned a short melody. so, famous characters like darth vader, princess leia, and han solo all have their own melody.
In Star Wars, John Williams used the Leitmotif concept of romantic opera in which a character is assigned a short melody.
It is used for famous characters like Darth Vader, Princess Leia, and Han Solo all have their melody.
Leitmotif is generally described as a recurring theme shown or appears over musical or literary composition.
Leitmotif is more common in operas and symphonic poems. It is attributed to a specific person, idea, or situation.
Hence, in this case, it is concluded that in the movie Star Wars, John Williams used the Leitmotif concept of romantic opera.
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In your own words, explain why elements
such as gold and silver are so rare to be
found in our Universe or within the Earth?
