The Universal Gravitational Constant G was first measured by

Find the average speed of a rabbit that runs a distance of 40 m in a time of 2.2 s.

You’re lying on the sand on a breezy day when a pesky fly wishes to join you. The breeze is blowing at a steady 1 m/s. If the fly wishes to land on you it should hover over you while flying

What is the magnitude and direction of the gravitational force that acts on a person who weighs 500 N at Earth’s surface?  (G=6.67 x 10-11 and the radius of Earth is 6.357 x 106 m)

The speed of a vertically-thrown ball at the top of its path is

When a gas in a container is squeezed to half its volume at constant temperature, the gas pressure

Phil Physiker standing at the edge of a cliff throws one ball straight up and another ball straight down, both with the same speed. Both balls hit the ground at

When Lillian hangs from a pair of gym rings, the upward support forces by the rings will always

A bullet fired from a rifle begins to fall

Perturbations of planets are due to