What is the length of a simple pendulum whose period is 5s and bob is 5 kg? a. 6.34m
b. 1.67m
c. 0.63
d. 0.79

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

The law of reflection states that the angle of reflection is equal to the angle of