In a drill during basketball practice, a player runs the length of the 30.-meter court and back. The player does this three times in 60. seconds.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s

Ineed the answers for these promblems i have