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Q. When a radar gun utter the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity?
Answer:-
The measurement is complete at the point where the ball is when the trigger is squeezed as well as the contacts close to activate the unit. The gun responds in a split second by sending out a pulse catching the return as well as then comparing the two to discover the difference (the Doppler shift). It is thus fast that the ball does not travel very far in the time it takes the unit to respond and resolve the speed.
how would the results change if the angle of the third load in second experiment increased ? state the differences
Magnetic instruments are used to find out the magnetic moment of a bar magnet, find out the horizontal component of earth's magnetic field, compare the magnetic moments of two bar
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Induced electric currents can be explained using which of the following laws? a) Gauss's Law b) Faraday's Law c) Ohm's Law d) Ampere's Law Ans: Induced e
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The semiconductor material is refined through a process is known as zone refining. It is used for the production of high purity crystals; silicon for example has a melting temperat
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what is scanning & transmission electron microscope
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