Motion in a Plane, Projectile Motion and Uniform Circular Motion NEET Questions

Physics - Kinematics

Motion in a Plane, Projectile Motion and Uniform Circular Motion MCQ Questions


13.
Galileo's statement: angles (45°+α) and (45°−α) give equal ranges. This is because:
A.
sin(90°+2α)=sin(90°−2α)
B.
Both equal cos2α
C.
Both have same time of flight
D.
Both A and B
😑 View Answer Rough Work Error
ANSWER :
D. Both A and B
14.
A ball is projected at 30° and another at 60° with the same speed. Their ranges are:
A.
Equal
B.
In ratio 1:√3
C.
In ratio √3:1
D.
In ratio 1:2
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ANSWER :
A. Equal
15.
At the highest point of projectile motion, the velocity of the projectile is:
A.
Zero
B.
v₀
C.
v₀cosθ (horizontal only)
D.
v₀sinθ
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ANSWER :
C. v₀cosθ (horizontal only)
16.
A stone is thrown horizontally from a cliff 490 m high at 15 m/s. Time to reach ground (g=9.8 m/s²) is:
A.
5 s
B.
10 s
C.
15 s
D.
20 s
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ANSWER :
B. 10 s
17.
A cricket ball is thrown at 28 m/s at 30° above horizontal. Maximum height reached is: (g=9.8 m/s²)
A.
5 m
B.
10 m
C.
15 m
D.
20 m
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ANSWER :
B. 10 m
18.
For the cricket ball in Q17 (v₀=28 m/s, θ=30°, g=9.8 m/s²), time of flight is approximately:
A.
1.5 s
B.
2.9 s
C.
4.2 s
D.
5.8 s
😑 View Answer Rough Work Error
ANSWER :
B. 2.9 s