Answer:
The 2nd option
Explanation:
It slows down the transfer of thermal energy from inside to outside the coat.
Answer:
(a) Tangential velocity will be 38.648 m/sec
(b) Acceleration will be 
Explanation:
We have given radius r = 11.2 m
Angular speed 
(a) We have to find the tangential velocity
We know that tangential velocity is given by
(b) We know that acceleration is given by
Answer:
129.96
At a Gravitational acceleration of 32.17405 ( which is the normal rate for a freefall) you will geta velocity of 129.96 and the time of fall will be 4.039 seconds from 80 meters.
Why is the weight of a free falling body zero? It is not, an object in free fall will still have a weight, governed by the equation W = mg, where W is the object's weight, m is the object's mass, and g is acceleration due to gravity. Weight, however, has no effect on an objects free falling speed, two identically shaped objects weighing a different amount will hit the ground at the same time.
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The answer is a. over use of petroleum
