Answer:

Explanation:
Data:

Calculation:
This is a perfectly inelastic collision. The two carts stick together after the collision and move with a common final velocity.
The conservation of momentum equation is

Car speedometer only measures speed and doesn't give any information about direction. So yes to speed, no to velocity. ... Therefore the object CANNOT have a varying speed if its velocity is constant.
Answer:NH3
Explanation: product s are the result of the equation
It’s cause by the fact that the earth is tilted 23.5 degrees