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1 marks Short answer
Two point charges - Q and Q are located at points (d, O) and (O, d) respectively, in XY-plane. The electric field E at the origin will be
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1/(4πε₀ d²) √2Q (î - ĵ)
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1 marks Short answer
Position of object r⃗ = (t² - 38t)î + 2t³ĵ find instant when velocity and acceleration are perpendicular.
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3 s
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1 marks Short answer
A car starts from rest at t = 0 sec and acceleration 5m/s². At t = 4 s a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at t = 6s?
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20 m/s, 0
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