i am confused.i need help with this experiment.
experiment set up:
http://img155.imageshack.us/img155/4027/20120428151358.png
1.measure total mass M of the crocodile clip and load.(in gram)
2.measure a length L of the string from the glass tube.
3.hold the tube vertically and whirl the rubber...
Homework Statement
A tennis player serves in a match.He hits the tennis ball so that it flies off the racket with a velocity of 50m/s at 10° to the horizontal.
Sx=11m
Sy=2.4 - 1.07 = 1.33m
ux=50cos10°
uy=50sin10°
time=?
a)Show that the ball cannot pass over the net.
b)The player serves...