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Trajectories are shown in figure for thr...

Trajectories are shown in figure for three kicked footballs. Initial vertical & horizontal velocity components are `u_(y)` and `u_(x)` respectively. Ignoring air resistance, choose the correct statement from Column-II for the value of variable in Column-I.

`{:(,"Column-I",,"Column-II"),((A),"time of flight",(P),"greater for A only"),((B),u_(y)//u_(x),(Q),"greater for C only"),((C),u_(x),(R),"equal for A and B"),((D),u_(x)u_(y),(S),"equal for B and C"):}`

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The correct Answer is:
(A) R; (B) P; (C) Q ; (D) S
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A stone is projectef from level ground such that its horizontal and vertical components of initial velocity are u_x=10(m)/(s) and u_y=20(m)/(s) respectively. Then the angle between velocity vector of stone one second before and one second after it attains maximum height is:

Match the elements given in column (I) with the most appropriate expected values given in column (II) {:("Column I","Column II"),("Element","Electronegative values"),(A.F, (p)3.5),(B.O,(q) 3.0),(C.N,(r )4.0),(D.C,(s)2.5):}

In y = Asinomegat + Asin(omegat + (2pi)/(3)) |{:(,"Column-I",,"Column-II"),((A),"Motion",(p),"is periodic but no SHM"),((B),"Amplitude",(q),"is SHM"),((C),"Initial phase",(r),A),((D),"Maximum velocity",(s),pi//3),(,,(t),omegaA//2),(,,(u),"None"):}|

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A particle is projected from level ground near the surface of earth with intitial velocity vecu = u_(x) hati + u_(y) hatj ,as shown in the figure. If a(x) and a_(y) are the components of acceleration in horizontal and vertically downward directions then Match the following columns. {:("Column I" , "Column II"), ("(A) Time of flight depends on" , "(p)" u_(x)),("(B) Maximum height depends on " ,(q) u_(y)) , ("(C) Range depends on" , (r) a_(x)), ("D) Speed at the top depends on" , (s) a_(y)):}

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