When two bodies are charged, the total charge before and after charging remains the same because of:

a.

quantization of charges

c.

law of induction

b.

conservation of charges

d.

Coulomb's law

What produced the helium now present in the sun's atmosphere? In Jupiter's atmosphere? In the sun's core?

Which of the following monitors both vertical and horizontal movements along a fault? a. seismograph b. GPS satellite system c. Richter scale d. Mercalli Scale

what makes the earth.

A proton moving at 5.00 106 m/s through a magnetic field of magnitude 1.78 t experiences a magnetic force of magnitude 7.40 10-13 n. what is the angle between the proton's velocity and the field? (enter both possible answers from smallest to largest.

What is the momentum of a 2 kg shopping cart if it's moving at a speed of 5 m/s

Under what conditions will the front of a glacier remain stationary?

Two technicians are discussing the need for the history of the vehicle. Technician A says that an accident could cause faults due to hidden damage. Technician B says that some faults could be related to a previous repair.

John rides his bike with a constant speed of 12 miles per hour. How far can he travel in 2 hours?

In a radio, amplitude refers to encoding a wave with information by: a) adjusting the height of the waves b) adjusting how many waves are produced per second c) turning the wave on and off d) changing the medium in which the waves travel

A ball is dropped from a height of 120 meters. If it takes 2.00 seconds for a ball to fall 60 meters, how long will it take the ball to reach the ground?