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.
The horizontal range R of a projectile is:
A.
v₀²sin2θ/g
B.
v₀²sinθ/g
C.
v₀²cos2θ/g
D.
2v₀²sinθ/g
😑 View Answer Rough Work Error
ANSWER :
A. v₀²sin2θ/g
14.
For maximum horizontal range, the angle of projection should be:
A.
30°
B.
60°
C.
45°
D.
90°
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ANSWER :
C. 45°
15.
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
16.
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
😑 View Answer Rough Work Error
ANSWER :
A. Equal
17.
At the highest point of projectile motion, the velocity of the projectile is:
A.
Zero
B.
v₀
C.
v₀cosθ (horizontal only)
D.
v₀sinθ
😑 View Answer Rough Work Error
ANSWER :
C. v₀cosθ (horizontal only)
18.
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
😑 View Answer Rough Work Error
ANSWER :
B. 10 s