The distance between two consecutive points in a wave is called the wavelength.
Answer:
trying to push a rock that never moves
Explanation:
Answer:
<h2>
96 Joules</h2>
Explanation:
We know that efficiency is the ratio of output power by input power. i.e. Efficiency describes the quality of machine or system how good it is.
Solution,
Energy input of system = 120 J
Efficiency = 80% =
Now,
According to definition,
Efficiency =
Cross multiplication:
Calculate the product
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Answer:
Explanation:
Required
The units of A and B
From the question, we understand that:
This implies that each of and will have the same unit as
So, we have:
The unit of t is (s); So, the expression becomes
Divide both sides by