How can being physically fit help you emotionally

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

If jason ii needs 15 kw of power at 300 volts to operate, what amperage of current must flow through the cable?

This city is the capital of the state of georgia since 1868 and was burned during the civil war.