Figure shows four paths for a kicked football. Ignoring the effects of air on the flight, rank the paths according to initial horizontal velocity component, highest first

Question:

Options :

(a) 1,2,3,4
(b) 2,3,4,1
(c) 3,4,1,2
(d) 4,3,2,1

Answer :

(d) 4,3,2,1

Answer Steps :

R ∝ 2 Ux.Uy/Y

R ∝ Ux

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Forty electric bulbs are connected in series across a 220 V supply. After one bulb is fused, the remaining 39 are connected again in series across the same supply. The illumination will be

If a body is executing simple harmonic motion then

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