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Action and reaction in polling forces
Secure two spring balances. Make a loop in every end of a short piece of strong cord. Join a spring balance to each end and have two pupils pull in opposite directions. Make a reading on every balance and compare them
Linear circuit :- It can be described as one, whose parameters are constant i.e. they do not change with voltage or current.
A football player kicks a field goal from a distance of 45 m from the goalpost. The football is launched at a 35° angle above the horizontal. What initial velocity is neede
Wien's displacement law constant, b It is the constant of the Wien displacement law. It contains the value 2.897 756 x 10 -3 m K.
what causes glow in fire
Le Chatelier's principle (H. Le Chatelier; 1888) If a system is in equilibrium, then any change imposed onto the system tends to shift the equilibrium to decrease the effect of
Absorbance spectrophotometer: A schematic diagram of a simple instrument that is used to measure the absorption of visible light is shown in Figure below. When studyin
Explain 'drift velocity of free electrons'? Derive Ohm's law on the basis of the theory of electron drift.
An army plane wants to drop supplies to a group of physics students stranded on an island. In order for the package to land on the island, the pilot needs to drop the package befor
show that work is a path function not a property
Q. Illustrate that soccer balls go faster in the air on a cold or hot day? Answer:- On a hot day the air molecules have additional kinetic energy they move around more fre
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