Pressure is defined as

A. time per area.

B. velocity per time.

C. force per time.

D. force per area.

E. distance per time.

Is cutting a string physcal or chemical change

Two 500g blocks of wood are 2.0 m apart on a frictionless table. A 10g bullet is fired at 400m/s? toward the blocks. It passes all the way through the first block, then embeds itself in the second block.

Position of a moving body? 15. A car travels a certain distance with a speed of 50 km. p. h. and retums with a speed of 40 km. p. h. Calculate the average speed for the whole journey.

Select the correct answer. Erica throws a tennis ball against a wall, and it bounces back. Which force is responsible for sending the ball back to Erica? A. the force that the ball exerts on the wall B.

Explain the process behind the scientific method and how it has the potential to lead to a "feedback loop".

What is the best prediction for the weather on the day after high pressure system passes

Is it possible to have motion in the absence of a net force?

There are 2 charged particles, A and B. You know that particle A is positively charged. When you place particle B next to particle A, then particle B starts moving away from particle A. What does this mean for particle B?

The speed of light is now to be defined 2.99792458x10^8 m/s express the speed of light to three significant figures five significant figures seven significant figures

An element that is a very reactive gas is most likely a member of what group?