Answer:
work = 1728
Power = 134
Explaination:
by using the formula,
Work(W)= Force(F)×Distance(D)
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and</h2>
Power(P)= Work(W)/Time taken(T)
Answer: A
Explanation: isotopes of the same thing element have the same number of protons in the nucleus but differ in the number of neutrons.
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Air pressure is the weight of air on an area. The weight of air
is due to the gravitational forces between the Earth and the
molecules of its atmosphere.
We know,
V= f× wavelength
10.5= f×0.15
f=10.5/0.15
f= 70 Hz