consider two identical frictionless and banked curves – one is located on the earth, and the other is on the moon. if identical cars are to travel around each curve along a circle of the same radius, how must the speeds of the two cars compare?

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600