"Acceleration" is a change in speed, or direction of motion, or both.
Answer:62.11 s
Explanation:
Given
weight of man =730 N
mass of man
radius of pound r=5 m
mass of book
velocity of book
let be the velocity of man
conserving momentum
time taken by man to reach south end
The answer to your question is 185
I would say C: Dam
Sea walls and levees stop water from overflowing onto something. Which can we good but has no impact on droughts.
Storm shelters wont impact droughts either. They are men't to protect people from storms.
A Dam on the other hand can contain and keep water in one given place. Which will save water, to be used to prevent future droughts.
Hope this helps!
Brainliest is appreciated if you feel its deserved!
Physical changes are those change which just externally or physically change the state of the object . for example : water boils and evaporates... here the state is just changing from liquid to vapour while the composition is the same.
chemical changes are those which bring about a change in the composition of a substance. for example: burning of paper changes into ash .