Physics, 23.11.2020 16:20, oscardiazbet8803
As shown in the figure (Figure 1), a superball with mass m equal to 50 grams is dropped from a height of hi=1.5m. It collides with a table, then bounces up to a height of hf=1.0m. The duration of the collision (the time during which the superball is in contact with the table) is tc=15ms. In this problem, take the positive y-direction to be upward, and use g=9.8m/s2 for the magnitude of the acceleration due to gravity. Neglect air resistance.
A.) Find the y component of the momentum, p sub [before, y], of the ball immediately before the collision.
B.) Find the y component of the momentum of the ball immediately after the collision, that is, just as it is leaving the table.
C.) Find J sub [y], the y component of the impulse imparted to the ball during the collision.
D.) Find the y component of the time-averaged force F sub [avg, y], in newtons, that the table exerts on the ball.
E.) Find K (after)−K (before), the change in the kinetic energy of the ball during the collision, in joules.
Answers: 1
Physics, 22.06.2019 07:30, elijahjacksonrp6z2o7
Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?
Answers: 1
Physics, 22.06.2019 19:00, Geo777
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
As shown in the figure (Figure 1), a superball with mass m equal to 50 grams is dropped from a heigh...
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