What do kepplers laws describe?

A. The forces between any two objects

B. The effects of gravity

C. The shape of an orbit

D. The effect of mass on gravity

Who revolves around who in the Earth, Sun and Moon system

What is the mass in kilograms of an individual who weighs 157 lb?

Consider three axes of rotation for a pencil: along the lead, at right angles to the lead at the middle, and at right angles to the lead at one end. Rate the rotational inertias about each axis from smallest to largest.

A boxer can hit a heavy bag with great force. why can't he hit a piece of tissue paper in midair with the same amount of force? a boxer can hit a heavy bag with great force.

Which of the following is likely to be made from thermoplastic

How big is a wifi pulse signal coming from your router? A) 10 meters B) 15 meters C) 5-10 meters D) 20-30 meters

Imagine you are in a music concert. What different sounds might you hear? How are these sounds made?

Dose aloe Vera grow in the mesa?

A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 35 cm diameter stone is spinning at 200 rpm and has a mass of 28 kg. The coefficient of kinetic friction between the knife and the stone is 0.20.

What is the unit for force we use when calculating F=ma?