What sound frequency would a human ear not be able to detect? a. 100,000 hertz b. 10,000 hertz c. 100 hertz d. 1,000 hertz

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

What ia the energy of an object because of its potential and kinetic energies