1. A collision occurs between a 2.0 kg cart moving at a velocity of 5.0 m/s [West] and a 4.0 kg cart moving at 1.0 m/s [East].
a. Determine the velocity of the carts if they are to stick together.[3]
b. Determine the velocity of the carts after the collision if they collide elastically. [3]

The material that keeps its new shape after it is stretched is called?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work