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For the same leg strength / jumping technique weight affects how far one can jump.
Acceleration = Force / Mass
With more mass you can't accelerate yourself as much when you jump with the same force. Imagine attempting to jump with a small backpack full of sand strapped to your back. Your strength has not changed. That is the amount of force you are able to deliver has not changed but your mass has. You cannot jump as high.
A certain radioactive substance has a half-life of 40 minutes. How much of an original 100 grams substance will remain after 2 hours? solution) m= m0/2t/T m=100 gms.. t=2 hours
what is and gate
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.
Given below are two electric circuits A and B Measure the ratio of power factor of the circuit B to the power factor of circuit A.
Q. Describe diffrent principle of rays? Principle Ray I : The easy one it hits the lens smack dab in the middle as well as passes straight on through. Principle Ray II : P
velocity of sound is 330m/s and wavelength 1.5 m .With time interval of 1/1000 sec related phase difference will be
Q. Briefly explain working of Michelsons Interferometer? Michelson designed an instrument for the measurement of wavelength of sodium light, thickness of thin film and for many
A laser beam from 200 watt source is focused on an area of 10 -8 m 2 . Determine the magnitude of the Pointing vector of the area.
Determine the efficiency of a Carnot engine operating reversibly between 40°C to 20°C. Can you explain thermodynamic process? Give a brief account of any two such processes.
are thermo-electric thermometres fairly sensitive ?
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