(B)
Explanation:
Centripetal means "towards the center" so the acceleration vector of an object undergoing UCM is always pointed towards the center.
Answer:
the answer is ture
Explanation:
because the energy substances must absorb in order to change from liquid to gas
Yes you are correct...I dont think you need to do this? You are getting them all right but now your just wasting points..
But anyways you are correct. ♡♡
Answer:
Explanation:
Given
mass of each railroad is M
first railroad is moving with velocity
and other two's with 
conserving Momentum

where v_f is the final velocity of combined system
(b)Initial Kinetic Energy


Final Kinetic Energy

Loss in Kinetic Energy

