a ball is thrown off a cliff at 7 m/s. if the ball takes 1.45 s to reach the ground, how high off of the ground is the cliff?

Q: A ball is pushed with an initial velocity of 12m/s.The ball rolls down a hill with a constant…

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Q: A cliff is 75 m high. At its peak, Mary dropped two stones, in which the second stone is dropped 1.4…

A: The time between release of two stones is 1.4 s.

Q: A truck is driving along a straight road while it slows uniformly from 24 m/s to 12.3 m/s over a…

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Q: A rock is thrown upward at 15 m/s. How fast is it moving if it is 5 m high?

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Q: A rock is dropped from a height of 1.87 m. How much time will it take to hit the ground?

A: Here the distance traveled by the rock is 1.87m.

Q: A bicycle rider travels 20,0 km north in 1.5 hours. She then turns directly south and travels 10.0…

A: given that,distance travelledd=20 kmtime takent1=1.5 hdistance travelled along southd2=10 kmtime…

Q: a ball is dropped from a height of 102ft, and at each bounce it rebounds 1/3 of the height from…

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Q: An athlete executing a long jump leaves the ground at 28° angle and travels (b) If this speed were…

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Q: A ball is thrown from the top of a building with an initial velocity of 20:0 m=s straight upward ,at…

A: Initial upwards velocity (u) = 20 msInitial height (h) = 50 m

Q: A stone is dropped from the top of a tower 40m height. At the same time another stone is thrown…

A: Since one stone dropped and other thrown at same time so  Time taken by both stones will be same…

Q: A jealous lover is at the top of a 50.0 m high building and wishes to drop an egg onto the head of…

A: Given Data Height of the building is hb=50.0  m Height of the suitor is hs=1.66 m Speed of the…

Q: A baseball pitcher throws ball vertically, upward, and we measure that it reaches a maximum height…

A: Given data: Maximum height of the ball thrown by the pitch baller, hp=68 m Final velocity (ball…

Q: A ball fall from a building that is 10.0m tall. Calculate how fast the ball travels downward when it…

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Q: A ball was launched straight up with 32m/s. At what height is the object after 3s? 140 m 45 m 96 m…

A: Given data: Initial velocity (u) = 32 m/s Time (t) = 3 sec Need to determine the height of the ball…

Q: If a marble is released from a height of 10 meters how long would it take for it to hit the ground?…

A: Given Marble released from 10 meters height We have to calculate how much time it takes to hit the…

Q: A toy car runs off the edge of a table that is 1.225 m high. If the car lands 0.400m from the base…

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Q: a swimmer heading straight through a 200m wide river reaches the opposite shore in 6 min 40s. She is…

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Q: A basketball is thrown vertically upward with an initial velocity of 5.5 m/s.  How long (in seconds)…

A: Given: The initial velocity of the object in the vertical plane is 5.5 m/s.

Q: A stone is dropped from the rooftop of a tall building. The stone reach the ground after 3 s. How…

A: In the kinematic equation, y=ut+12at2 when we have initial velocity(u) as zero and acceleration is…

Q: 10) An object goes from xi-3m to xf=-6m. Its displacement is ( O(9m.0m) O(3m,0m) O(3m,0m) O(9m.0m)…

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Q: From the third floor, 9.8 m above the ground, we throw a stone horizontally at a speed of 2.6 m/s.…

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Q: A pebble is dropped from a 156 m cliff. How long does it take for the pebble to hit the ground? 5.64…

A: Apply the second kinematic equation. Here, h represents the height, u represents the initial…

Q: You jog at 9.5 km/h for 6.0 km , then you jump into a car and drive an additional 18 km. With what…

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Q: A player passes a basketball to another player who catches it at the same level from which it was…

A: Consider that the basketball is thrown with an angle θ from the horizontal axis. The initial speed…

Q: How long does it take for a ball dropped off of a building of height 7.7 m to hit the ground if the…

A: When a ball is dropped at the rest from the top of the building than it moves under the constant…

Q: While sitting on a tree branch 10.0 m above the ground, you drop a chestnut. When the chestnut has…

A: The first chestnut is dropped with zero initial velocity, so the velocity it acquires, when it has…

Q: A pitcher tosses up a baseball straight up, with an initial speed of 15 miles per second. How long…

A: Given that Initial velocity u = 15 miles per second = 1609.34 m/s  ( vertically upward )

Q: A car is accelerating uniformly as it passes two checkpoints that are 38m apart. The time taken…

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Q: A ball is thrown vertically upward from the edge of a bridge 29.5 m high with an initial speed of…

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Q: An airplane has a lift off speed of 120km/h. If the plane needs a 240m of runway to take off, what…

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Q: A ball was dropped from a rooftop measuring 5.7 m above the ground. How long will it take for it to…

A: Given, Height of the rooftop above the ground, H = 5.7 m

Q: A car making a 100-km journey travels 40.0 km/h for the first 50.0 km. How fast must it go during…

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Q: A ball is thrown with an upward velocity of 5m/s from the top of a 10-m high building. One second…

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Q: A ball was dropped from a rooftop measuring 2.6 m above the ground. How long will it take for it to…

A: Newton's 2nd equation of motion is s=ut+12at2 Here s is displacement, u is initial velocity, a is…

Q: How long does it take for a ball dropped off of a building of height 5.1 m to hit the ground if the…

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Q: If a ball is released from a window ledge, how fast will it be travelling when it reaches the…

A: Given :  height traveled by the ball, h = 46 m  initial velocity of the ball, u = 0

Q: An object is thrown vertically downward at 18 m/s from a window and hits the ground 1.6 s later.…

A: Here the object falls under the influence of gravity and has acceleration equal to the acceleration…

Q: A rock is dropped from a height of 1.03 m. How much time will it take to hit the ground?

A: Given, u=0h=1.03 mg=9.8 m/s2

Q: A ball is thrown off the top of a 30m cliff with horizontal velocity of 10 m/s. How far from the…

A: Let H be defined as the height of the cliff. And u be defined as the velocity of the ball. Let t be…

Q: A bus is moving at a speed of 20 m/sec starts to slow at a constant rate of 3 m/sec ^2. Find how far…

A: The initial speed of the bus is, u=20 m/s   The deceleration of the bus is, a=-3 m/s2   The final…

Q: A ball is thrown from the top of a building with an initial velocity of 20:0 m=s straight upward ,at…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –