Meg walks 5 blocks south and then turns around and walks 8 blocks back to the north. The distance that she walks is 13 blocks. What is her displacement?

Two vectors, r with arrow and s with arrow, lie in the xy plane. Their magnitudes are 4.40 and 7.45 units, respectively, and their directions are 310° and 84.5°, respectively, as measured counterclockwise from the positive x axis.

Convert 350 calories to KJ

How might mutations introduce variation into population

A neutron has what type of electrical charge? A.) positive B.) negative C.) neutral D.) varies

What is the frequency of a wave if 3 crests pass in 6 seconds? a. 0.5 hz b. 2 hz c. 9 hz d. 18 hz

Winston stands on the edge of a building's flat roof, 12 m above the ground, and throws a 147.0-g baseball straight down. the ball hits the ground at a speed of 18 m/s. what was the initial speed of the ball?

When is the zebra in motion when it is not moving

1) What happens when two negatively charged tape strips are placed near each other?

Claudia throws a baseball to her dog. Which free-body diagram shows the baseball when it's flying horizontally in midair? (Assume no air resistance.)

What causes an air conditioned to turn on