Answer:
Explanation:
Given
mass of ship =1240 kg
height=37 m
(a)Work done by Tension in cable+work done by gravity =0
Work done by gravity =change in potential energy of mass
Thus work done by tension=449.624 kJ
(b)work done by force of gravity
=-449.624 kJ
Alex is driving at 21.2508882 miles per hour
460 meters per second, or about 1,000miles per hour.
A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.