Answer:
Work done to pull the piano upwards is 401250 J
Explanation:
Work is done against the gravity to pull the piano upwards
So here we can say that work done is
here we know that
also we know that
H = 75 m
now we have
Click on the reset button, and stack one 50kg. crate on top of the other, so that the total mass is 100kg. The Friction should b
1 answer:
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Explanation :
It is given that,
In the given figure all the three resistors are in series.
Current flowing in the circuit,
Voltage,
We know that in series circuit the current flowing in all resistors is same.
Using Ohm's law, we get:
Hence, this is the required solution.