The 4 metric ton (4000-kg) hammer of a pile driver is lifted 1.0 m in 2.0 S. What power does the engine furnish to the hammer? Assume that there is no acceleration of the hammer while it is being lifted.

Q: A 60 kg hiker climbs to the top of a 4200 m -high mountain. The climb is made in 6.0 h starting at…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

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Q: A 2400-kg pile driver is used to drive a steel beam into the ground. The pile driver falls 3.00 m…

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Q: A 2400-kg pile driver is used to drive a steel beam Into the ground. The pile driver falls 6.00 m…

A: mass of pile driver (m) = 2400 kg Height of pile driver before coming in contact with top of beam…

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Q: How much work is done by tension from initial position to the bottom of the swing? V=3.33m/s at the…

A: Work done,

Q: A 684-kg elevator starts from rest and moves upward for 4.20 s with constant acceleration until it…

A: Given: The mass of the elevator is m=684 kg, The cruising speed is vf=1.79 m/s. The time is t=4.20…

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A: Data Given , Mass of the elevator ( m ) = 694 kg Elevator starts from rest , means  Initial velocity…

Q: Calculate the average power necessary for a 55.8 kg person to run up a 5.0 m high, sloped hill, in…

A: The expression for the average power is P=Wt Here,P  is the average power,  iWs the work done by…

Q: How much power is needed to push a 1100 kg piano up a 4.0 meter ramp into a truck bed that is 1.5…

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Q: A sprinter who weighs 670 N runs the first 7.0 m of a race in 1.6 s, starting from rest and…

A: weight of sprinter, W = 670 N  initial velocity of the sprinter, u = 0 m/s  time, t = 1.6 s…

Q: A 1.50 x 103-kg car starts from rest and accelerates uniformly to 16.9 m/s in 11.6 s. Assume that…

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Q: A 1400 kg car delivers a constant 42 hp to the drive wheels. We assume the car is traveling on a…

A: The car's acceleration when it's speed is 20m/s is 1.12m/s2.

Q: How much work must you do to push a 11.0 kg block of steel across a steel table (μk=0.6)at a steady…

A: a) The required work done is,