REVIEW: A kayaker paddles along a river for 4 hours. In that time, she manages to move a total of 20 miles. What is the average speed of the kayak for this trip? (USE SPEED FORMULA)
20 mph
4 mph
5 mph
REVIEW: A kayaker paddles along a river for 4 hours. In that time, she manages to move a total of 20 miles going east. What is the average velocity of the kayak for this trip? (USE SPEED FORMULA)
20 mph east
4 mph east
5 mph east
16 mph east
A ball begins rolling down a hill. After 5 seconds, its velocity is 10 meters per second. What is the acceleration of the ball? (USE ACCELERATION FORMULA)
5 m/s2
10 m/s2
15 m/s2
2 m/ss
A vehicle brakes from 30 mph to 5 mph over a period of 10 seconds. What is the
vehicles acceleration? (USE ACCELERATION FORMULA)