Two spring-loaded ballistic carts, one of 200 g and the other 800 g, are released and the lighter cart is observed to move at +1 m/s afterward. What is the velocity of the other cart?
A. -0.25 m/s
B. +0.25 m/s
C.-4 m/s
D. +4 m/s

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.

high-sugar diet and high cholesterol

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.