Car A traveling at a constant velocity of 40 m/s passes a motorcycle at rest. If the motorcycle B starts from rest at that moment and accelerates uniformly, what acceleration would it have to have in order to catch car A after traveling 800 m?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical