" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
V = dr/dtv = d 10t³-25t²+50t /dt
= 30t² - 50t + 50
v(10)
= 30(10)² - 50(10)+50
= 3000 - 450
= 2550 m/s