Answer:
A prism is a clear crystal that refracts light
Explanation:
Answer:C The final velocity is half of trained car B's initial velocity.
Explanation:
Answer:
J=0.211kg.m/s
Explanation:
The impulse-momentum theorem states:

The velocity before the impact is given by:

For the velocity after the impact:

so:

Answer:
because gravity pulled us in the land if there is no gravitational force there will not be field force too
Explanation:
hope it's will help you