|A ball is dropped from a lookout 180 metres high. At the same time, a stone is fired vertically upwards from the valley floor with speed V m/s. Take g = a Find for what values of V a collision in the air will occur. Find, in terms of V, the time and the height when collision occurs, and prove that the collision speed is V m/s. b Find the value of V for which they collide halfway up the cliff, and the time taken. 10 m/s'.
|A ball is dropped from a lookout 180 metres high. At the same time, a stone is fired vertically upwards from the valley floor with speed V m/s. Take g = a Find for what values of V a collision in the air will occur. Find, in terms of V, the time and the height when collision occurs, and prove that the collision speed is V m/s. b Find the value of V for which they collide halfway up the cliff, and the time taken. 10 m/s'.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![|A ball is dropped from a lookout 180 metres high. At the same time, a stone is fired vertically upwards
from the valley floor with speed V m/s. Take g =
a Find for what values of V a collision in the air will occur. Find, in terms of V, the time and the height
when collision occurs, and prove that the collision speed is V m/s.
b Find the value of V for which they collide halfway up the cliff, and the time taken.
10 m/s'.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F211fd0d2-45cd-4603-b99f-222084379316%2F42a7ef53-2064-43a1-8a0a-c25a16fc5f41%2F6j6rbua.png&w=3840&q=75)
Transcribed Image Text:|A ball is dropped from a lookout 180 metres high. At the same time, a stone is fired vertically upwards
from the valley floor with speed V m/s. Take g =
a Find for what values of V a collision in the air will occur. Find, in terms of V, the time and the height
when collision occurs, and prove that the collision speed is V m/s.
b Find the value of V for which they collide halfway up the cliff, and the time taken.
10 m/s'.
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