which quantity remain constant during projectile motion. sand it thrown on track covered with snow .why?
Answers
Answered by
1
Answer:
When tracks are covered with snow, they have negligible friction and it is impossible to walk or drive the vehicles. When sand is thrown on tracks, force of friction is increased. Figure 5.16 shows the position-time graph of a particle of mass 4 kg.
Explanation:
hope it help you mark me as brainliest
Similar questions