Before a collision, a 34-kg object is moving at 10.1-m/s to the right. Find the impulse that acted on the object if, after the collision, if the object moves 13.3-m/s to the left.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?

What is the magnitude of the gravitational force acting on the earth due to the sun?