Current is the movement of positive charges called electrons

What is the speed of alpha rays, beta rays and gamma rays?

If a lamp has a resistance of 50 ohms and is operated by a p. d. of 10V, find the current flowing through it

Suppose the initial position of an object is zero, and the object moves with constant acceleration. Which part of a velocity vs.

What are the units for velocity?

How are frequency and period related to each other? A. They are the same for any given wave B. They have the same magnitude but opposite signs C. They are reciprocals of each other D. They are both found by squaring the amplitude of a wave

Object moving at a constant velocity will always have a

Who would most likely agree that a child learns certain behaviors from observing other people?

A bullet is fired horizontally from a height of 78.4 m and hits the ground 2400 m away. With what velocity does the bullet leave the gun?

Select the correct answer. Two charged objects, A and B, exert an electric force on each other. What happens if the distance between them is increased? O A. The charge on B decreases. OB. The charge on B increases. OC.

You are riding a bicycle home from school. You average 5 meters per second and you are headed south. What motion can you determine from this data? OA Acceleration OB Distance OC Speed OD Velocity