A bus is traveling at 60 miles/hour east. Determine the velocity of the following objects using the bus as the frame of reference: • A car traveling at 60 miles/hour east?
• A truck traveling at 65 miles/hour west:?

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Blank liquids and gases exert a buoyant force on objects placed in them