You drive at 195 miles down the 101 freeway at 65 miles per hour. How long did it take? time =
1 answer:
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This assumes that the wave has velocity c (is light).
The area of the circle with radius r is
A = πr²
The rate of change of area with respect to time is
The rate of change of the radius is given as
Therefore
When r = 10 ft, obtain
Answer: - 40π ft²/s (or - 127.5 ft²/s)
A = πr²
The rate of change of area with respect to time is
The rate of change of the radius is given as
Therefore
When r = 10 ft, obtain
Answer: - 40π ft²/s (or - 127.5 ft²/s)
Answer:2155 J
Explanation:
Given
Change in Internal energy i.e. decrease in Internal Energy
Heat added to system
According First law for a system
Thus 2155 J of work is done by system