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PH 201 Post-Lab 04
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2 Dimensional Motion
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Solution
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1. A ball gun uses a spring to accelerate
the steel ball from rest to a speed of 6.30 m/s. The spring provides the acceleration over a
distance of approximately 7.00 x 10-2 m. What is the acceleration
provided by the spring?
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2. If the ball is launched
horizontally 0.90 m above the floor, how long will it take to hit the floor?
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3. How far horizontally will the ball travel
when launched horizontally assuming the muzzle velocity is 6.30 m/s and the
ball is in the air for 0.525 s before it hits the ground.
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OVER à
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4. If the ball is now
launched at a 35.0° angle above the horizontal and this places the ball
at 1.20 m above the floor, how long is the ball in the air before striking
the floor? Initial velocity is still
6.30 m/s.
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5. What is the final horizontal speed just
before the ball touches the ground?
Initial velocity is still 6.30 m/s, launch angle is still 35.0°, and
use a time in the air of 0.990 s.
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Please send any comments or
questions about this page to ddonovan@nmu.edu
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This page last updated on January 11, 2020
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