How high above the target must the rifle barrel be pointed

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Q. A rifle that shoots bullet at 460 m/s is to be aimed at a target 45.7m away and levelwith the rifle . how high above the target must the rifle barrel be pointed so that the bullets hits its target?

Q. Two point charges are on the y-axis, one of magnitude 3.0 x10-9 C at the origin and a second of magnitude 6.0 x10-9 C at the point y = 30 cm. Calculate the potential at y = 60 cm.

Reference no: EM1360813

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