Ronald lives 60 miles away from his grandmother. His parents drove Ronald to his grandmother’s home in three hours. What was the average speed of the car?

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

What determines the amount of inertia an object has