A person is placed in a large, hollow, metallic sphere that is insulated from the ground. If a large charge is placed on the sphere, will the person be harmed upon touching the inside of the sphere?

What is the pressure on a fish 10 m under the ocean surface

Form a hypothesis about how deeply water could erode and about how deeply glaciers could erode

A rock is suspended by a light string. when the rock is in air, the tension in the string is

Which type of force can cause objects to attract or repel each other? a. frictional force b. nuclear force c. electrical force d. gravitational force

Determine the force per meter on a lightning bolt at the equator that carries 20 000 A and is perpendicular to the Earth's magnetic field, 3x10-5 T.

Since 1 pound = 4.45 newton, what is your earth weight in newtons?

A girl moves at 2m/s delivering newspapers. she throws a newspaper directly behind her at 2m/s. in the frame of reference of someone standing nearby what is the motion of the newspaper.

What forces are acting on matter through contact or no contact

Consider the following when writing your report: a) Start by making a rough plan for how you will solve the problem. In particular, divide the big problem into two or more smaller problems that each involves one basic physics idea.

Two children are bouncing small rubber balls. One child simply drops a ball. At the same time, the second child throws a ball downward so that it has an initial speed of 10 m/s. What is the acceleration of each ball while in motion?