A stone is thrown vertically upward from the ground with a velocity of 15 m/sec. One second later another stone is thrown vertically upward with a velocity of 30 m/sec. When and how far above the ground will the stones be at the same level?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 71AP: A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree....
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1. A stone is thrown vertically upward from the ground with a velocity of 15 m/sec. One
second later another stone is thrown vertically upward with a velocity of 30 m/sec.
When and how far above the ground will the stones be at the same level?
2. A train moving with constant acceleration travels 9 m during the 10 second of its motion
and 6 m during the 12th second of its motion. Find its initial velocity and its constant
acceleration.
3. A particle moves along a straight line in such a manner that its displacement, at any
instant, from a fixed point on its path is given by the equation s 1/10 (t+ 6t-4t).
How far will the particle travel during the 10h second?
Transcribed Image Text:1. A stone is thrown vertically upward from the ground with a velocity of 15 m/sec. One second later another stone is thrown vertically upward with a velocity of 30 m/sec. When and how far above the ground will the stones be at the same level? 2. A train moving with constant acceleration travels 9 m during the 10 second of its motion and 6 m during the 12th second of its motion. Find its initial velocity and its constant acceleration. 3. A particle moves along a straight line in such a manner that its displacement, at any instant, from a fixed point on its path is given by the equation s 1/10 (t+ 6t-4t). How far will the particle travel during the 10h second?
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