Maurice pulls on the end of a spring scale. He lets go of the end and observes the spring snap back into place. What force restores the spring to its original shape?

a. tension

b. elastic

c. drag

d. applied

Two objects which have a total mass of 12.0 kg are placed adjacent to one another. The object on the left is 7.4 kg, and it pushed to the right with a force of 37 Newtons. With what force does the left object push against the right object?

A rabbit sees carrot to his right and starts jumping towards it with a velocity of 4.0meter per sec it speeds up to its maximum velocity of 13 meter per sec with a constant acceleration of 2.

A small sculpture made of brass (rho brass = 8470 kg/m 3) is believed to have a secret central cavity. The weight of the sculpture in air is 15.76 N. When it is submerged in water, the weight is 13.86 N. What is the volume of the secret cavity?

Which phrase most closely characterizes a person's sense of self? A: a persons thoughts or feelings about him/her-self B: a persons belief about him/her actions C: a persons perception of his/her relationships to others D: a persons personal world

Suppose you increase your walking speed from 6 m/s to 14 m/s in a period of 3 s. What is the acceleration?

3. solve the following with regard to significant figures a) 5.8 + 0.125 II) 3.9x105-2.5x104

During a double-slit experiment, you have the option of using either a green laser or a blue laser for your light source.

How much power is used to lift a 1.9 kg brick 1.9 in 2. s

The maximum number of orbits in an atom is

What communication device allows us to communicate with very distant places via telephone?