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3-2.Motion in Plane
medium
Given that $u_x=$ horizontal component of initial velocity of a projectile, $u_y=$ vertical component of initial velocity, $R=$ horizontal range, $T=$ time of flight and $H=$ maximum height of projectile. Now match the following two columns.
Column $I$ | Column $II$ |
$(A)$ $u_x$ is doubled, $u_y$ is halved | $(p)$ $H$ will remain unchanged |
$(B)$ $u_y$ is doubled $u_x$ is halved | $(q)$ $R$ will remain unchanged |
$(C)$ $u_x$ and $u_y$ both are doubled | $(r)$ $R$ will become four times |
$(D)$ Only $u_y$ is doubled | $(s)$ $H$ will become four times |
A
$( A \rightarrow q , B \rightarrow q , r , C \rightarrow r , s , D \rightarrow s )$
B
$( A \rightarrow s , B \rightarrow q , r , C \rightarrow r , s , D \rightarrow p )$
C
$( A \rightarrow p , B \rightarrow q , r , C \rightarrow r , s , D \rightarrow s )$
D
$( A \rightarrow q , B \rightarrow q , p , C \rightarrow r , s , D \rightarrow s )$
Solution
(a)
Standard 11
Physics