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skating
Questions (5)
If the work required to stretch a spring 1 ft beyond its natural length is 9 ft-lb, how much work is needed to stretch it 3 in.
1 answer
1,278 views
A spring has a natural length of 24 cm. If a 20-N force is required to keep it stretched to a length of 40 cm, how much work W
1 answer
3,420 views
A tank is full of water. Find the work required to pump the water out of the spout. Use the fact that water weighs 62.5 lb/ft3.
1 answer
1,206 views
A tank is full of water. Find the work required to pump the water out of the spout. Use the fact that water weighs 62.5 lb/ft3.
1 answer
5,678 views
A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 m/s2 for g. Use 1000 kg/m3 as the
2 answers
2,752 views
