What impulse must be imparted to a golf ball of mass 0.150 kg to give it a velocity of 73.0 m/s?
If the golf club is in contact with the ball as it is
accelerated over an interval of 2.50 cm, estimate the
average force exerted on the ball by the club.

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

What happens when a rubber rod is rubbed with a piece of fur?