Watt, which is a unit of power, is equal to ____ a) a joule divided by a second b) a joule times a meter c) a joule times a seco
2 answers:
<u>Answer:</u> Watt, a unit of power is equal to a joule divided by a second
<u>Explanation:</u>
Power is defined as the ratio of rate of work done by an object. It is measured in Watt.
Mathematically,
where,
W = work done by the object. It is measured in Joules
t = time taken by the object. It is measured in seconds
So, the unit of watt is equal to a joule divided by a second.
Hence, Watt, a unit of power is equal to a joule divided by a second
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Answer:
422.36 N
Explanation:
given,
time of rotation = 4.30 s
T = 4.30 s
Assuming the diameter of the ring equal to 16 m
radius, R = 8 m
v = 11.69 m/s
now, Force does the ring push on her at the top
N = 422.36 N
The force exerted by the ring to push her is equal to 422.36 N.