If the weightlifter in the previous question takes a total of 2 seconds to lift the weights, how much power is performed

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?