A 2.0 kg ball moving at 6.0 m/s perpendicular to a wall rebounds from the wall...
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A 2.0 kg ball moving at 6.0 m/s perpendicular to a wall rebounds from the wall at 1.0 m/s. What is the magnitude of the impulse exerted on the ball by the wall? O a. 28 N-s O b. 21 N-s O c. 14 N.s O d. 7 N.s Question 9 A 4.0 kg object is released from rest under the influence of gravity alone 140 m above the ground. When it has fallen 100 m its kinetic energy (in J) is (g= 10 m/s) Not yet answered О а. 3200 O b. 4000 Marked out of 1.50 P Flag question O c. 4800 O d. 2400 A 2.0 kg ball moving at 6.0 m/s perpendicular to a wall rebounds from the wall at 1.0 m/s. What is the magnitude of the impulse exerted on the ball by the wall? O a. 28 N-s O b. 21 N-s O c. 14 N.s O d. 7 N.s Question 9 A 4.0 kg object is released from rest under the influence of gravity alone 140 m above the ground. When it has fallen 100 m its kinetic energy (in J) is (g= 10 m/s) Not yet answered О а. 3200 O b. 4000 Marked out of 1.50 P Flag question O c. 4800 O d. 2400
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University Physics With Modern Physics
ISBN: 978-0073513881
2nd edition
Authors: Wolfgang Bauer, Gary Westfall
Posted Date:
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