1
WB JEE 2021
+1
-0.25

The acceleration versus distance graph for a particle moving with initial velocity 5 m/s is shown in the figure. The velocity of the particle at x = 35 m will be
A
20.62 m/s
B
20 m/s
C
25 m/s
D
50 m/s
2
WB JEE 2021
+1
-0.25
In case of projectile motion, which one of the following figures represent variation of horizontal component of velocity (ux) with time t? (Assume that air resistance is negligible)
A
B
C
D
3
WB JEE 2020
+1
-0.25
A fighter plane, flying horizontally with a speed 360 km/h at an altitude of 500 m drops a bomb for a target straight ahead of it on the ground. The bomb should be dropped at what approximate distance ahead of the target? Assume that acceleration due to gravity (g) is 10 ms-2. Also, neglect air drag.
A
1000 m
B
50$${\sqrt 5 }$$ m
C
500$${\sqrt 5 }$$ m
D
866 m
4
WB JEE 2019
+1
-0.25
Two particles are simultaneously projected in the horizontal direction from a point P at a certain height. The initial velocities of the particles are oppositely directed to each other and have magnitude v each. The separation between the particles at a time when their position vectors (drawn from the point P) are mutually perpendicular, is
A
$${{{v^2}} \over {2g}}$$
B
$${{{v^2}} \over g}$$
C
$${{4{v^2}} \over g}$$
D
$${{2{v^2}} \over g}$$
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