36,37,38 36. If a pile driver lifts a 500 lb weight 12 feet in 4 seconds, the power producedisA. zeroB. 2.73 horsepowerC. 1500 ft-lb/secD. 24,000 ft-lb-secE. both B and C37. If a 5 newton brick is dropped 2 meters to the floor, what would be the brick'skinetic energy just before impact?A. zeroB. 5 newtonsC. 10 newton- metersD. 25 joules38. If a 5 newton brick was dropped 2 meters to the floor, what would the brick'skinetic energy be immediately after impact?A. zeroB. 5 newtonsC. 10 newton- metersD. 25 joules

The weight lifted by the driver is 500 lb. The distance covered by the weight is 12 ft. The time…

Answered: 36. If a pile driver lifts a 500 lb…

36. If a pile driver lifts a 500 lb weight 12 feet in 4 seconds, the power produced is A. zero B. 2.73 horsepower C. 1500 ft-lb/sec D. 24,000 ft-lb-sec E. both B and C

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 6WUE: A 4.00-kg crate Marling at rest slides dawn a rough 6.00-m-long ramp, inclined at 30.0 below the...

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Question

36,37,38

36. If a pile driver lifts a 500 lb weight 12 feet in 4 seconds, the power produced
is
A. zero
B. 2.73 horsepower
C. 1500 ft-lb/sec
D. 24,000 ft-lb-sec
E. both B and C
37. If a 5 newton brick is dropped 2 meters to the floor, what would be the brick's
kinetic energy just before impact?
A. zero
B. 5 newtons
C. 10 newton- meters
D. 25 joules
38. If a 5 newton brick was dropped 2 meters to the floor, what would the brick's
kinetic energy be immediately after impact?
A. zero
B. 5 newtons
C. 10 newton- meters
D. 25 joules

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