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You throw a ball with a speed of 25m/s at an angle of 40.0° above the horizontal directly toward awall. The wall is 22.0 m from the release point of the ball.
a) How long does the ball take to reach the wall?
b) How far above the release point does the ball hit the wall?
c) What are the horizontal and vertical components of its velocity as it hits the wall?
q1. a guitar string is 75 cm long and has a mass of 3.8 g. from the bridge to the support post l is 60 cm and the
In Chapter 10 in the textbook, we saw that the Achilles tendon will stretch and then rebound, storing and returning energy during a step. What is the spring constant of her Achilles tendon
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what was the speed of the bullet at impact with block.
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A 80-g bullet is fired from a rifle having a barrel 0.582 m long. Choose the origin to be at the location where the bullet begins to move. Then the force (in newtons) exerted by the expanding gas on the bullet is 14100 + 9100x - 24250x2, where x is i..
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