Homework 3

# Homework 3 - elevation 4.0 m above the ground The ball...

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1) A cat is chasing a mouse. The mouse runs in a straight line at a speed of 1.5 m/s. If the cat leaps off the floor at a 30° angle and a speed of 4.0 m/s, at what distance behind the mouse should the cat leap in order to land on the poor mouse? 2) A baseball player friend of yours wants to determine his pitching speed. You have him stand on a ledge and throw the ball horizontally from an
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Unformatted text preview: elevation 4.0 m above the ground. The ball lands 25 m away. a. What is his pitching speed? b. As you think about it, you're not sure he threw the ball exactly horizontally. As you watch him throw, the pitches seem to vary from 5° below horizontal to 5° above horizontal. What is the range of speeds with which the ball might have left his hand?...
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