A rock falls from rest from the top of a cliff. An observer notices that it takes 1.10 s to fall the final one-third of its distance. How high is the cliff?
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A rock falls from rest from the top of a cliff. An observer notices that it...
A roof tile falls from rest from the top of a building. An observer inside the building notices that it takes 0.17 s for the tile to pass her window, which has a height of 1.26 m. How far above the top of this window is the roof?
A roof tile falls from rest from the top of a building. An observer inside the building notices that it takes 0.29 s for the tile to pass her window, which has a height of 1.3 m. How far above the top of this window is the roof?
A rock dropped from a cliff falls one-fourth of its total distance to the ground in the last second of its fall. Determine the height of the cliff. (10 pts)
A rock is dropped from the top of a vertical cliff and takes 3.00 s to reach the ground below the cliff. A secon rock is thrown vertically from the cliff, and it takes this rock 2.00 s to reach the ground below the cliff from the time it is released. With what velocity was the second rock thrown, assuming no air resistance? Select one: a. 5.51 m/s downward , b. 4.76 m/s downward X O c. 12.3 m/s downward...
A boy jumps from rest, straight down from the top of a cliff. He falls halfway down to the water below in 0.952 s. How much time passes during his entire trip from the top down to the water? Ignore air resistance. the tolerance is +/-5%
1) Starting from rest, a particle travels along the x axis with a constant acceleration of +3.0 m/s2. At a time 3.7 s following its start, it is at x = -102 m. At a time 6.6 s later it has a velocity of +30.9 m/s. Find its position at this later time. 2) A rock dropped from a cliff covers one-third of its total distance to the ground in the last second of its fall. Air resistance is negligible....
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff, the rock has a speed of 33 m/s . Part A Assuming that air resistance can be ignored, find the initial speed of the rock.(Express your answer using two significant figures.) Part B Find the greatest height of the rock as measured from the base of the cliff. (Express your answer...
A heavy rock is shot upward from the edge of a vertical cliff. It leaves the edge of the cliff with an initial velocity of 15 m/s directed at 25° from the vertical and experiences no appreciable air resistance as it travels. The distance the rock landed was 34.0 m away from the cliff. How high is the cliff?
You stand at the top of an 80m-high cliff and throw a rock with speed 43 m/s at an angle 30° below the horizontal. How long will it take for the rock to hit the ground? 9.35 s 10.35
(please show work) A boy jumps from rest, straight down from the top of a cliff. He falls halfway down to the water below in 0.907 s. How much time passes during his entire trip from the top down to the water? Ignore air resistance. t =