A solid nonconducting sphere of radius R carries a charge Q distributed uniformly throughout its volume. At a certain distance rl (r (A) E/8

(B) E/2

(C) 2E

(D) 8E

(E) E

Before entering the cyclotron, the particles are accelerated by a potential difference V. Find the speed v with which the particles enter the cyclotron.

What is the energy of an object because of its potential and kinetic energies? O chemical energy electrical energy nuclear energy mechanical energy

4. Climbing up a tree Charlotte and her lunchbox have a weight of 650 N and she climbs a height of 22 m-how much work does she do in climbing the tree?

2. What determines the charge of an ion?

A boy pulls a wagon with a force of 6N east as another boy pushes it with a force of 4N east. What is the net force

an athlete whirls a 7.00 kg hammer tied to the end of a 1.3 m chain in a horizontal circle the hammer moves at the rate of 1.0 rev/s what is the centripetal acceleration of the hammer

Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when

Ultrasound consists of sound at frequencies most people can hear?

Ali has less mass flying in a jet high above the earth than when she stands on the surface of the earth. True False

A passenger jet flies from one airport to another 1,333 miles away in 2.2 h. Find its average speed in the mks system of units.