A ball is thrown vertically upward. It has a speed of 10 m/sec when it has reached one half of its maximum height. How high does the ball rise? (Take g = 10 m/s²)

Q: If the original height of the rock is y1 = h = 3.0 m, calculate the rock’s speed when it has fallen…

A: solution is given as

Q: The ceiling of an arena is 77 m above the floor. What is the minimum speed that a thrown ball would…

A: initial velocity = u Height os ceiling of arena above the floor (h) = 77 m

Q: Acar is going 19 m/s for 27 s. Draw an accurate graph showing the distance versus time for the car.…

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Q: To Merge into the highway you need to increase your speed from 50 km/h to 100 km/h. If your car can…

A:

Q: A 115 gram apple falls from a branch that is 3.5 meters above the ground. (a) How much time elapses…

A: Givenm=115 gh=3.5 m(a)h=ut+12gt2 =0+12gt2         ( as u=0 , apple just falls , no initial…

Q: That is the gravitational acceleration near the earth's surface.  if you rise high above the earth,…

A: Write the formula for the gravitational acceleration.

Q: An attacker at the base of a castle wall 4 m high throws a rock straight up with speed 7.5 m/s from…

A:

Q: A cat chases a mouse across a 1.0 m high table.  the mouse steps out of the way, and the cat slides…

A: The height of the table is, h=1 m The horizontal distance moved by a cat is, d=2.2 m The cat's…

Q: A youth of mass m = 36 kg is swinging on a swig. Length from upper bar of swing set to the set is L…

A: Mass is Radius of circle is Note:Find:The minimum speed at the top of circle in order to make a full…

Q: A rock is thrown off the cliff horizontally with the speed of v = 13 m/s.  The cliff is h=33 meter…

A:

Q: To Merge into the highway you need to increase your speed from 50 km/h to 100 km/h. If your car can…

A: Given:-  The initial velocity  v1 = 50 km /h = 13.89 m/s  The final velocity v2 = 100 km/h = 27.78…

Q: As you are driving to school one day, you pass a construction site of a new building and you stop to…

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Q: Your car gets 34.7 mi/gal on a trip. How many km/L did it get? (3.79 L = 1 gal; 1 mi = 1.61 km) L…

A:

Q: A boy tosses a coin straight up to 2.2 m. Suppose the height when the coin leaves his hand is 1.3 m.…

A: Initial height of the coin in boy's hand = 1.3 m The height of the coin when it tosses = 2.2 m The…

Q: A block is sliding along a frictionless surface at 19.1 m/s. The block slides down a hill. At the…

A: Given value--- Initial speed u=19.1m/s Final speed v=37.1 m/s We have to find--- How tall (in…

Q: A bottle rocket takes off with a = 34.5 m/s². It fires until it reaches a height of 200 m, then…

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Q: A ball is dropped (from rest) from a window and hits the ground with a speed of 7.0m/s. If the ball…

A:

Q: A block is sliding along a frictionless surface at 11.1 m/s.  The block slides down a hill.  At the…

A: Given  Initial speed vi=11.1 m/s Final speed vf=36.5 m/s

Q: Amel goes for a walk with a speed of 3kph. After 30 minutes of walk, his wife follows him. Walking…

A: Given:  speed of Amel vA=3Kphtime gap between Amel and his wife = 30min =0.5 hrdistance travel by…

Q: A pebble rolls off the roof of Science Hall and falls vertically. Just before it reaches the ground,…

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Q: You shoot a ball straight up with an initial speed of 8490 m/s. When it reaches a height of 4.0 x 10…

A: Given, v0=8490 m/sh=4.0×106 m

Q: A child throws a stone downward from the top of a cliff with a speed of 4m/s. You notice that it…

A: It is given that,

Q: A cat chases a mouse across a 1.7 m high table. The mouse steps out of the way, and the cat slides…

A: Given data The height is h=1.7 m  The distance is d= 1.5 m The acceleration of gravity is g=9.81…

Q: Siblings Alice and Bob saved their money all summer to buy a water balloon launcher, and they are…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: A small rocket is launched straight up. When at a height of 5.0km and velocity of 200.0m/s, it…

A: Here, we have  v0=200 m/s

Q: A scientist drops two balls A and B from the same height. Ball A falls 4 meters in the 1st second, 9…

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Q: A skater with mass 66 kg is skating on a horizontal surface at a constant speed 4.2 m/s. There is a…

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Q: The van travels over the hill described by y=(-1.5x10 )x²+15) ft. If it has a constant speed of 71…

A:

Q: A ball is thrown straight up in the air with an initial speed of 10 m/s. Ignore air resistance and…

A: According to kinematics V2-u2=2as where V=final speed u=initial speed a=acceleration S=distance…

Q: A 2 kg ball is thrown off a 73 m high cliff with a speed of 4 m/s.  How fast (in m/s) is the ball…

A: Given: initial speed of the ball, u = 4 m/s height of cliff, h = 73 m mass of ball, m = 2 kg

Q: A ball is thrown straight up in the air with an initial speed of 40 m/s. Ignore air resistance and…

A: Given data:  Initial velocity (Vi) = 40 m/s, upward  Acceleration due to gravity (g) = 10 m/s2,…