A car of mass 1410 kg rests on a hydrauliclift with a piston of radius 0.26 m th

Question

A car of mass 1410 kg rests on a hydrauliclift with a piston of radius 0.26 m thatis connected to a second piston of radius 0.028 m. If the car is just barely lifted off theground, what is the force at the second piston?
1 N

A chest of volume 1.0 m3 filledwith platinum sits at the bottom of a lakeof depth 21 m. How much force is requiredto lift the chest to the surface?
1 N

Water is flowing through a pipe (area 3.9cm2) that connects to a faucet adjusted to have anopening of 0.56 cm2. If thewater is flowing at a speed of 4.6 m/s inthe pipe, what is its speed as it leaves the faucet?
1 m/s

Explanation / Answer

   only one qustion per post must begiven    (1410 kg) (9.80) / (0.26m)2 = F2 / (0.028 m)2    F2 = ........ N    F2 = ........ N

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