Question

Using energy considerations and assuming negligible air resistance, a rock thrown from a bridge 22 m above water with an initial speed of 14 m/s strikes the water with the same speed independent of the direction thrown. With what speed does the rock strike the water?

Name: using energy considerations and assuming negligible air resistance a rock thrown from a bridge 22 m above water with an initial speed of 14 ms strikes the water with the same speed independe 54627
Uploaded: 2022-06-04T09:49:45-08:00
Duration: 4 min 45 s
Channel: Shaiju T
Description: using energy considerations and assuming negligible air resistance a rock thrown from a bridge 22 m above water with an initial speed of 14 ms strikes the water with the same speed independe 54627

          Using energy considerations and assuming negligible air resistance, a rock thrown from a bridge 22 m above water with an initial speed of 14 m/s strikes the water with the same speed independent of the direction thrown.  With what speed does the rock strike the water?

Added by Ashley B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Shaiju T

06/04/2022

Step 1

Given: Height at point A, H = 20 m Initial speed, U = 14 m/s Kinetic energy at point A = 1/2 * m * U^2 Potential energy at point A = m * g * H Total energy at point A = Kinetic energy + Potential energy Total energy at point A = 1/2 * m * U^2 + m * g * H Show more…

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Using energy considerations and assuming negligible air resistance, a rock thrown from a bridge 22 m above water with an initial speed of 14 m/s strikes the water with the same speed independent of the direction thrown. With what speed does the rock strike the water?