Question

1:What is acceleration?

Select one:

a. It measures how far an object moves.

b. It measures how fast an object moves.

c. It measures how fast the speed picked up by an object.

d. It measures how long an object moves

e. none of above

2: What is speed?

Select one:

a. It measures how far an object moves.

b. It measures how long an object moves.

c. It measures how fast an object moves.

d. It measures how high an object moves.

e. none of above

3:A runner's speed is 6 mph due south, the wind's speed is 6 mph due west, the net speed of the runner is _______

Select one:

a. 12 mph

b. 8.5 mph due SE

c. 8.5 mph due SW

d. 8.5 mph due south

e. 72 mph due SE

Answer 1

1) Acceleration

Option c: It measures how fast the speed picked up by an object.

2) Speed

Option c. It measures how fast an object moves.

3.

$v=\sqrt{6^2+6^2}$