A projectile is fired horizontally from a gun that is 47.0, Ask an Expert

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Q1. Particles of charge Q1 = +63 µC, Q2 = +49 µC, and Q3 = -80 µC are placed in a line. The center one is 0.35 m from each of others. Compute the net force on each charge due to the other two. (Suppose the positive direction is to the right.)

Q2. A projectile is fired horizontally from a gun that is 47.0 m above flat ground; emerging from the gun with a speed of 250 m/s.

(a) how long does the projectile remain in air?

(b) At what horizontal distance from the firing point does it strike ground?

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Category:- Physics
Reference No.:- M9170327

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