1
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
WB JEE 2021 Physics - Motion Question 3 English
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
MCQ (Single Correct Answer)
+1
-0.25
Change Language
A simple pendulum, consisting of a small ball of mass m attached to a massless string hanging vertically from the ceiling is oscillating with an amplitude such that Tmax = 2Tmin, where Tmax and Tmin are the maximum and minimum tension in the string, respectively. The value of maximum tension Tmax in the string is
A
$${{3mg} \over 2}$$
B
mg
C
$${{3mg} \over 4}$$
D
3 mg
3
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
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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
WB JEE 2021 Physics - Motion Question 4 English Option 1
B
WB JEE 2021 Physics - Motion Question 4 English Option 2
C
WB JEE 2021 Physics - Motion Question 4 English Option 3
D
WB JEE 2021 Physics - Motion Question 4 English Option 4
4
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
A uniform thin rod of length L, mass m is lying on a smooth horizontal table. A horizontal impulse P is suddenly applied perpendicular to the rod at one end. The total energy of the rod after the impulse is
A
$${{{P^2}} \over m}$$
B
$${{7{P^2}} \over {8m}}$$
C
$${{13{P^2}} \over {2m}}$$
D
$${{2{P^2}} \over m}$$
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