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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.
Brass: When copper is alloyed zinc (60% copper, 40% zinc) is called brass. It is widely used as a current carrying and structural material in switches and plugs etc. Propertie
a detailed assignment
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
Im having trouble understanding these,, could someone explain them in lamens terms
mass=volume * density.By using this formula we can find the mass of sphere. Volume of sphere=(4/3)pi*r^3 V=(4/3)*3.14*(1*10^-2)^3=4.187*10^-6 Mass=(4.187*10^-6)*900=3768*10^-6kg
role of friction in snow?
What are the magnitude and the sign of a point charge that experiences a force of 0.48 N east when placed in an electric field of 1.6 x 10 5 N/C west? Normal 0
Explain an inertial frame of reference and derive the Lorentz transformation equations formula. How it can be used in optical gyroscope?
A 10 farad capacitor is used in a circuit. The voltage difference between the plates of the capacitor is 20 volts. What is the magnitude of the charge on each of the capacitor's pl
Q. Situation of the converging lens - Principle Ray 1? Principle Ray I . The easy one just as in the case of the converging lens this ray goes straight through the centre of t
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