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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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You throw an object directly up into the air, and then catch it when it comes back down. It hits your hand at a speed of 5 m/s on the way down. What was the initial velocity of the ball?
Keerat and Jenna are trying to drop a round melon (0.40kg) off the roof of the school 15 m tall onto a target on the ground. To consistently hit the target, they know that they need to create a ramp and let the melon roll from the same spot to get a consistent speed. They do a few trials to find that the melon rolls 5.0 m in an average of 3.4 seconds. How far away should the target be so that the melon hits it?
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A baseball player throws a 0.2 kg ball (Ball A) from the top of a 10 m tall hill with a velocity of 40 m/s. How long was the ball in the air? How far did the ball land from the cliff?
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Chris and Steve push a huge boulder (m = 65 kg) to the top of an 18 m cliff. The boulder is moving with a speed of 6.0 m/s when it tumbles over the edge of the cliff. How fast will it be going when it hits the ground? (no air resistance)
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A 2 kg ball Is thrown straight into the air at 9 m/s. How high does it travel? Use g=9.8 m/s2

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A baseball player throws a ball straight up into the air. At a height of 4.4 m above the release point, the ball is moving at 1.8 m/s. What was the ball's initial speed in m/s? assume g = 9.8m/s². Answer.