On a downward swing of a pendulum bob, some energy is transformed into some energy. a. heat; kinetic b. heat; potential c. potential; kinetic d. kinetic; potential

What is work? how much work is done to move an object 0 meters?

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

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?