30.00 m/s m = 145 grams 50.00 m/s 36.87° 53.13° Ground A 145 gram baseball traveling at 50.00 m/s and initially traveling in a direction of 36.87º with respect to the horizontal hits a rock on the ground and it bounces back upward making an angle of 53.13° with respect to the horizontal. The final speed of the ball right after it hits the rock is 30.00 m's and the ball is in contact with the rock for 2.5 milliseconds? b) What is the direction of the force the rock exerts on the ball? Answer from zero to 360 degrees. Take zero degree to be along the x axis. 90 degrees to be along the y-axis 180 degrees to be along the negative x-axis and 270 degrees to be along the negative y-axis.

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Please use at least 4 significant figures throughout the entire problem! Also use 9.80m/s2 for the acceleration due to gravity. DO NOT USE 10 M/S2 FOR THE ACCELERATION DUE TO GRAVITY!

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30.00 m/s
m = 145 grams
50.00 m/s
36.87°
53.13°
Ground
A 145 gram baseball traveling at 50.00 m's and initially traveling in a direction of 36.87° with
respect to the horizontal hits a rock on the ground and it bounces back upward making an angle
of 53.13° with respect to the horizontal. The final speed of the ball right after it hits the rock is
30.00 m/s and the ball is in contact with the rock for 2.5 milliseconds?
b) What is the direction of the force the rock exerts on the ball? Answer from zero to 360
degrees. Take zero degree to be along the x axis. 90 degrees to be along the y-axis 180 degrees to
be along the negative x-axis and 270 degrees to be along the negative y-axis.
Transcribed Image Text:30.00 m/s m = 145 grams 50.00 m/s 36.87° 53.13° Ground A 145 gram baseball traveling at 50.00 m's and initially traveling in a direction of 36.87° with respect to the horizontal hits a rock on the ground and it bounces back upward making an angle of 53.13° with respect to the horizontal. The final speed of the ball right after it hits the rock is 30.00 m/s and the ball is in contact with the rock for 2.5 milliseconds? b) What is the direction of the force the rock exerts on the ball? Answer from zero to 360 degrees. Take zero degree to be along the x axis. 90 degrees to be along the y-axis 180 degrees to be along the negative x-axis and 270 degrees to be along the negative y-axis.
30.00 m/s
m = 145 grams
50.00 m/s
36.87°
53.130
Ground
A 145 gram baseball traveling at 50.00 m/s and initially traveling in a direction of 36.87° with
respect to the horizontal hits a rock on the ground and it bounces back upward making an angle
of 53.130 with respect to the horizontal. The final speed of the ball right after it hits the rock is
30.00 m/s and the ball is in contact with the rock for 2.5 milliseconds?
a) What is the magnitude of the average force the rock exerts on the ball? You can neglect the
weight of the ball. Answer in Newtons.
Transcribed Image Text:30.00 m/s m = 145 grams 50.00 m/s 36.87° 53.130 Ground A 145 gram baseball traveling at 50.00 m/s and initially traveling in a direction of 36.87° with respect to the horizontal hits a rock on the ground and it bounces back upward making an angle of 53.130 with respect to the horizontal. The final speed of the ball right after it hits the rock is 30.00 m/s and the ball is in contact with the rock for 2.5 milliseconds? a) What is the magnitude of the average force the rock exerts on the ball? You can neglect the weight of the ball. Answer in Newtons.
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