2. Calculate the speed of the 2kg block at point D. Work is done from A to B, and friction is B to C. It starts from rest and coefficient of friction is 0.1 A Fapp=40N 1.2m B 1.1m 1m

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2. Calculate the speed of the 2kg block at point D. Work is done from A to B, and friction is
B to C. It starts from rest and coefficient of friction is 0.1
A
Fapp=40N
1.2m
B
1.1m
3. The 2kg ball hits the wall and bounces back as shown. Draw the interacting forces. If the
contact time was .1 seconds, calculate the force on the ball and wall.
-3m/s
1m
4m/s
Transcribed Image Text:2. Calculate the speed of the 2kg block at point D. Work is done from A to B, and friction is B to C. It starts from rest and coefficient of friction is 0.1 A Fapp=40N 1.2m B 1.1m 3. The 2kg ball hits the wall and bounces back as shown. Draw the interacting forces. If the contact time was .1 seconds, calculate the force on the ball and wall. -3m/s 1m 4m/s
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