A student builds a miniature cannon, using an initially compressed spring to launch a 200 gram ball into projectile motion. The ball starts out at rest, pressed against (but not attached to) the spring; initially the spring is compressed by 5.00 cm. The stiffness constant of the spring is 1000 N/m. As the ball rubs against the inner wall of the cannon, a constant 0.600 N frictional force opposes the ball's motion. In the four questions on this page, consider the period of time during which the ball slides 20.0 cm to its exit from the cannon. 20.0 cm 5,00 cm 60.0° 4. The work done on the ball by the force of gravity equals С. 196 J. A. - 0.196 J. B. - 392 J. D. - 0.339 J. E. - 0.392 J. 5. The work done on the ball by the elastic spring force equals В. 1.25 J. A. 25.0 J. С. 12.5 k). D. 2.50 J. E. - 25.0 J. the force of friction equals B. - 12.0 J. 6. The work done on the ball A. 0.120 J. C. - 0.235 J. D. 12.0 J. E. -0.120 J.
A student builds a miniature cannon, using an initially compressed spring to launch a 200 gram ball into projectile motion. The ball starts out at rest, pressed against (but not attached to) the spring; initially the spring is compressed by 5.00 cm. The stiffness constant of the spring is 1000 N/m. As the ball rubs against the inner wall of the cannon, a constant 0.600 N frictional force opposes the ball's motion. In the four questions on this page, consider the period of time during which the ball slides 20.0 cm to its exit from the cannon. 20.0 cm 5,00 cm 60.0° 4. The work done on the ball by the force of gravity equals С. 196 J. A. - 0.196 J. B. - 392 J. D. - 0.339 J. E. - 0.392 J. 5. The work done on the ball by the elastic spring force equals В. 1.25 J. A. 25.0 J. С. 12.5 k). D. 2.50 J. E. - 25.0 J. the force of friction equals B. - 12.0 J. 6. The work done on the ball A. 0.120 J. C. - 0.235 J. D. 12.0 J. E. -0.120 J.
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
Transcribed Image Text:A student builds a miniature cannon, using an initially compressed spring to launch a 200 gram ball into projectile motion.
The ball starts out at rest, pressed against (but not attached to) the spring; initially the spring is compressed by 5.00 cm. The
stiffness constant of the spring is 1000 N/m. As the ball rubs against the inner wall of the cannon, a constant 0.600 N
frictional force opposes the ball's motion.
In the four questions on this page, consider the period of time during which the ball slides 20.0 cm to its exit from the cannon.
20.0 cm
5.00 cm
60.0°
4. The work done on the ball by the force of gravity equals
C. 196 J.
A. - 0.196 J.
B. - 392 J.
D. - 0.339 J.
E. -0.392 J.
5. The work done on the ball by the elastic spring force equals
В. 1.25 J.
A. 25.0 J.
С. 12.5 k).
D. 2.50 J.
E. - 25.0 J.
6. The work done on the ball by the force of friction equals
B. - 12.0 J.
A. 0.120 J.
C. - 0.235 J.
D. 12.0 J.
E. -0.120 J.
7. The ball exits the cannon with a speed of
A. 0.0889 m/s.
В. 3.54 m/s.
C. 2.81 m/s.
D. 3.36 m/s.
E. 2.72 m/s.
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