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Energy Transformation for a Dart
In that case of the dart being launched from the spring gun and the just forces doing work upon the dart are internal forces. Initially, the dart is being acted upon through a spring force in sequence to be projected from the dart gun. The coils of the springs are initially compressed and upon pulling the trigger and the springs return to their equilibrium position although pushing the dart out of the dart gun. A dart then becomes a projectile (supposing there is negligible air resistance); the just force doing work upon the dart during its flight through the air is gravity.
Put a nail in the lower end of a candle. The nail should be just the right weight to make the candle float with its top a little above the surface of the water. Float the candle an
It is the demagnetising force which is necessary to neutralize completely the magnetism in the magnetism material after the external magnetic field is reduced to zero.
A sled and its rider, with a total mass of 95 kg, are perched on top of a 25-m-tall hill. A second hill is 12 m tall (see the diagram below). The rider is given an initial push
The main constituents of glass is (A) SiO 2 (B) B 2 O 3 (C) Al 2 O 3 (D) Cr 2 O 3 Ans: The main constituents of glass are SiO 2 .
Charge is the characteristic associated with matter due to which it produces and experiences electrical and magnetic effects.
A 0.15 kg glider is moving to the right on frictionless horizontal air track with speed of 0.8 m\s. It has a head on collision with 0.3 kg glider that is moving to the left with a
In an adiabatic process, the body neither absorbs heat nor does it refuse energy, i.e. in this phenomena there is no heat exchange (Δ Q = 0). Thus from first law of thermodynam
Universal age paradox Two most straightforward methods of computing the age of the Universe through redshift measurements, and stellar evolution yield incompatible results. Re
WHY HEATER IS KEPT IN CONTROL ROOM OF MRI? IS IT KEPT ON ALL THE TIME OR IT CAN BE TURNED OFF AT NIGHT AND RESTARTED AT MORNING
why it is not possible to charge one object by rubbing without charging another object by rubbing
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