A rubber ball is thrown vertically downward from a height of 1.5m and bounces back to the same height with a reversed velocity of the same in a total time of 0.90s. What was the initial downward velocity? What was the velocity just before hitting the floor?

Q: You are watching the Olympics 2022 when a high jumper leaps into the air with an initial speed of…

A: Given value--- initial speed = 6.2 m/s. We have to find--- How high will she be at the top of her…

Q: A skier starts from rest at the top of a smooth slope. If the height of the slope is 157 m, what is…

A: Given data: h = 157 m Need to determine the velocity at the bottom of the slope.

Q: During a 100 m sprint, Usain Bolt reaches the halfway point (50 m) in 5.5 seconds and then crosses…

A: Given data:  Total displacement (d) = 100 m Time taken to cover 1st half (t1) = 5.5 s Time taken to…

Q: A ball is thrown vertically upwards from ground level hits the ground after 4 s. What is the maximum…

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Q: An olympic gold medalist runs one time around the track - 400 meters - in 38 seconds. What is his…

A: The gold medalist completes a round trip.That is the final and initial positions are same.Therefore…

Q: A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of…

A: The second equation of motion is  s = u t + 05 a t2 where, s is the distance, t is the time, a is…

Q: A ball is throwing straight up in the air takes 3.6 seconds to reach its maximum height. At what…

A: Using kinematics, v=u+at

Q: A ball is kicked straight up from ground level at a velocity of 13m/s. Find: a.) the maximum height…

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Q: You throw a ball straight up with an initial velocity of 15.9 m/s. It passes a tree branch on the…

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Q: You toss a ball straight up with an initial speed of 30 m/s. How high does it go, and how long is it…

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Q: A construction site lift is rising with a velocity of 2.5 m/s when a bag of cement is released. If…

A: Given data, Taking this as a reference sytem, velocity of lift, v1 = 2.5m/s  height at the time of…

Q: A ball is dropped from a cliff. After it has passed a point 12m below the edge of the cliff, is 50m.…

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Q: A ball is thrown straight up into the air. If it is in the air for a total time of 6s, with what…

A: The initial velocity of the ball is, v=v0+at=v0-gt0=v0-gtv0=gt when the ball is at its maximum…

Q: A ball is dropped from a roof to the ground 8.0 m below. A rock is thrown down from the roof 0.600 s…

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Q: A ball is thrown upward from the ground with an initial speed of 25 m/s; at the same instant,…

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Q: An olympic gold medalist from Australia runs one time around the 400-meter track in 35 seconds. What…

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Q: An olympic gold medalist from Australia runs one time around the 400-meter track in 40 seconds. What…

A: distance (d) = 400 m Time taken (t) = 40 seconds

Q: A ball is thrown up with a speed of 20 m/s. How long is it in the air (up and down)? How high does…

A: when the ball reaches at maximum height the final speed of the ball will  be zero. therefore, the…

Q: A ball thrown from a building vertically down with an initial velocity of 12 m/s, reaches the ground…

A: Initial velocity = 12 m/s Time taken to reach ground = 4 s

Q: On earth, a ball is thrown straight downward with an initial speed of 1 meter per second from a…

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Q: A ball is thrown upward from the ground with an initial speed of 25 m/s; at the same instant,…

A: Given:  For ball A:  u = 25 m/s upwards  For ball B: u = 0  H = 15 m downwards

Q: What is the maximum height reached by a ball thrown straight upward with intal speed of 35m/s

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Q: the ball is thrown upward straight from the top of the tower with an initial velocity 20 m/s the…

A: At maximum height the final velocity will be zero. Equation of motion having acceleration due to…

Q: How far does a rocket accelerating at 12m/s^2 travel in 120 seconds? What is its speed at this…

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Q: A boy on cliff 49m high drops a stone. One second later, he throws a second stone after the first.…

A: Given: The height of the cliff is 49 m. The initial velocity of the first stone is 0 m/s. The both…

Q: A ball is thrown from the ground at a speed of 15 m / s, while another ball starts free fall from 35…

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Q: A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the…

A: Given, Initial velocity u = 16 ft/s Vertical distance travel s = 64 ft acceleration due to gravity g…

Q: An Olympic gold medalist from Australia runs one time around the 400 meter track in 40 seconds.…

A: Given data: Length of track = 400 m Gold medalist completes one round along the track Time (t) = 40…

Q: On a distant planet, a baseball is released from rest at the top of a high cliff. Through what…

A: Solution: The displacement of the baseball as a freely falling body is given by the 2nd kinematics…

Q: A ball is thrown 60m vertically into the air. What was the initial velocity? How much time does it…

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Q: A piece of stone thrown vertically upwards . It reaches the maximum height in 8 seconds. If the…

A: Given data :  Acceleration  due to gravity   =  g  Final  velocity of stone  =   V    Time   =   t…

Q: Assume the acceleration of the object is a(t) = −32feet per second per second. (Neglect air…

A: Given data: Acceleration (a) = -32 ft/s2 Initial height (hi) = 5 ft Initial velocity (Vi) = 45 ft/s,…

Q: A stone is dropped from a building 50m high. If it was initially thrown downwards at 4 m/s, how much…

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Q: A ball is thrown vertically upward with a speed of 4.9 m/s. What is the time of the flight?

A: As per guidelines, i am solving first part of question , Please post other question seperately.

Q: A stone is projected vertically upwards with an initial velocity of 90m/s and at the same instant…

A: Given: Initial velocity of stone (vertically upwards),u = 90 m/s Height of which another stone is…

Q: A red ball is dropped from rest at a height of 8.40 m. A blue ball at a height of 11.9 m is thrown…

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Q: A ball is thrown straight down with an initial speed of 2.0 m/s from a height of 15 m. What is the…

A: Given values -  According to equation of motion -  Taking downward direction as positive.

Q: A ball is thrown vertically upward with a speed of 19.6 m/s. What is the balls velocity after 1.00…

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Q: A ball is thrown vertically upwards with a velocity of 20ms from the top of a multi storey…

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Q: A young child uses a slingshot to launch a rock straight up at a speed of 12 m/s and then catches it…

A: Take the upward direction to be positive. The equation of motion is given by, v2=u2-2gh Here, v is…

Q: When a ball is thrown vertically upward from the ground, it crosses a point which is at a height of…

A: Given, The time interval between the object to the same point = 4 s It is understood that at every…

Q: a ball is thrown straight down from at 12 m/s toward the ground from a height of 45 m how fast is…

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Q: A ball is thrown upward from the ground with an initial speed of 25m/s; at the same instant, another…

A: If we assume that the rate of change of velocity (acceleration) is a constant, then the constant…

Q: A baseball is thrown downward from a 50m tower with an initial speed 18 m/s. Determine the speed at…

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Q: This is a multi-part question. Once an answer is submitted, you will be unable to return to this…

A: Given value--- total distance = 100 m. time taken to cover 55m = 7.9 s. We have to find---…

Q: A ball is thrown vertically upward with an initial velocity of 30 m/sec, How far above the ground…

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