20 questions
You walk 20 meters to math class in 10 seconds. Your average speed is
2 m/s
0.5 m/s
200 m/s
10 m/s
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
60 N right
10 N left
10 N right
60 N left
If PE is 25 J and KE is 25 J, what is the total energy?
0 J
25 J
50 J
625 J
If PE is 50 J and Total Energy is at 150 J, what is KE?
100 J
200 J
75 J
0 J
What does this line represent?
at rest
constant speed
acceleration
returning to start