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The explanation is not clear to me. How the graph line at rA and rB got straight?
This g mentioned in the equation provided in the solution is the value of acceleration due to gravity at poles. the value of g at equator is Rw^2 less than g.
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ms–1. The car is at a distance of 150 m from the gun when it is fired at an angle of 45° to the horizontal. What is the distance of the car from the gun when the shell hits it? (Take g = 10 m/s2)
' is the value of acceleration due to gravity at a latitude of 30°, while 'g' is at the equator, the value of '(g - 
)' is
A time varying magnetic field produces an induced electric field.
rnE.* (2 pi r ) = (pi*a*a) dB/dt
rnE =( a*a /2r)(dB/dt)
rnso, E decreases as 1/r