the radius of planet is drecresing by 50%without changing its mass. the acceleration due to gravity will be?

While John is traveling along a straight interstate highway, he notices that the mile marker reads 249 km. John travels until he reaches the 141 km marker and then retraces his path to the 174 km marker.

when objects like the horseshoe are lefty outside over time the iron in them will react with oxygen to produce rust. is this a chemical property of iron.

At the moment a hot cake is put in a cooler, the difference between the cakes and the cooler's temperatures is 50° Celsius. This causes the cake to cool and the temperature difference loses value every minute.

an object is thrown into the air with an initial velocity of 12 meters per seconds from a platform that is raised 4 meters above the ground. how long will it take for the object to return to the ground?

Factors that affect the intensity of light from a source

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?

List the types of radiation in order from least to most damaging.