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A machine performs 8 Joules of work in 2 seconds. How much power is delivered by this machine?
Ans:
The power is delivered by this machine is 4 watts.
The current induced in the conductor due change in magnetic field is called eddy current.we study more about this in electro magnetic laws.
what is friction force? why does opposes the motion?
Eg of like and unlike parallel forces
how much force is necessary to stop the car when steps on a brake a 1000-kg car travelling at 65 km/h if the braking distance is 35 m?
when a body is thrown upwards, its velocity becomes zero at the highest point. what will be its acceleration at this point?
Length contraction (relativity of length) is the length of a body moving with a relativistic velocity v = c relative to an observer is contracted by a factor in the direction of m
Graphical solutions of Resolution: This topic looks at deriving graphical solutions to problems involving the Addition of Vector Quantities. Firstly, the quantities m
.how can we prove that sn=u+a(1/2)
how earth is in non-inertial frame?
A stone drops from the edge of the roof. It passes the window 2 m high in 0.1s . How far is the roof above the top of the window? Solution) Height of the window (h) = 2m Acce
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