Please help!! What is the impulse given to a tennis ball hit with an average force of 522 N if the racket is in contact with the ball for 0.22 seconds?

Determine the maximum r-value of the polar equation r =3+3 cos 0

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

Which sound characteristic is not affected by the relative motion of an object