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)
3 points
3
Question 3
3.
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)
3 points
3
Question 4
4.
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)
3 points
3
Question 5
5.
A vehicle brakes from 30 mph to 5 mph over a period of 10 seconds. What is the
vehicles acceleration? (USE ACCELERATION FORMULA)