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Question (21)

QN00291

A bus covers 150 km in 5 h. Time taken to cover 60 km at the same speed is

(A) 1 h
(B) 2 h
(C) 3 h
(D) 4 h

Correct Answer: B

Explanation:

Speed = 150 ÷ 5 = 30 km/h, so time = 60 ÷ 30 = 2 h.

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Question (22)

QN00292

A train travels with a speed of 20 m/s for 15 s. Distance covered is

(A) 200 m
(B) 250 m
(C) 300 m
(D) 350 m

Correct Answer: C

Explanation:

Distance = 20 × 15 = 300 m.

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Question (23)

QN00293

A runner covers 400 m in 50 s. Speed of the runner is

(A) 6 m/s
(B) 7 m/s
(C) 8 m/s
(D) 9 m/s

Correct Answer: C

Explanation:

Speed = 400 ÷ 50 = 8 m/s.

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Question (24)

QN00294

Which runner is faster? Runner A: 100 m in 20 s Runner B: 120 m in 24 s

(A) Runner A
(B) Runner B
(C) Both have same speed
(D) Cannot be determined

Correct Answer: C

Explanation:

Both have speed = 5 m/s.

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Question (25)

QN00295

A car travels at 15 m/s. In 2 minutes it will cover

(A) 1500 m
(B) 1600 m
(C) 1700 m
(D) 1800 m

Correct Answer: D

Explanation:

2 min = 120 s, distance = 15 × 120 = 1800 m.

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Question (26)

QN00296

A vehicle covers 90 km in the first hour, 90 km in the second hour, and 90 km in the third hour. Its motion is

(A) circular
(B) oscillatory
(C) uniform
(D) non-uniform

Correct Answer: C

Explanation:

Equal distances are covered in equal intervals of time.

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Question (27)

QN00297

A car covers 40 km in the first hour and 70 km in the next hour. The motion is

(A) uniform
(B) non-uniform
(C) periodic
(D) oscillatory

Correct Answer: B

Explanation:

Unequal distances are covered in equal intervals.

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Question (28)

QN00298

An object moving with constant speed along a straight line is said to be in

(A) circular motion
(B) periodic motion
(C) uniform linear motion
(D) rotational motion

Correct Answer: C

Explanation:

Constant speed in straight line is uniform linear motion.

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Question (29)

QN00299

In non-uniform linear motion, an object covers

(A) equal distances in equal intervals of time
(B) unequal distances in equal intervals of time
(C) equal distances in unequal intervals only
(D) no distance

Correct Answer: B

Explanation:

Speed changes continuously in non-uniform motion.

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Question (30)

QN00300

A train covers distances of 20 km every 10 minutes repeatedly. The motion is

(A) non-uniform
(B) periodic only
(C) uniform linear motion
(D) oscillatory motion

Correct Answer: C

Explanation:

Equal distances in equal times indicate uniform motion.

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Question (21)

A bus covers 150 km in 5 h. Time taken to cover 60 km at the same speed is

Explanation:

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Question (22)

A train travels with a speed of 20 m/s for 15 s. Distance covered is

Explanation:

Link:

Question (23)

A runner covers 400 m in 50 s. Speed of the runner is

Explanation:

Link:

Question (24)

Which runner is faster? Runner A: 100 m in 20 s Runner B: 120 m in 24 s

Explanation:

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Question (25)

A car travels at 15 m/s. In 2 minutes it will cover

Explanation:

Link:

Question (26)

A vehicle covers 90 km in the first hour, 90 km in the second hour, and 90 km in the third hour. Its motion is

Explanation:

Link:

Question (27)

A car covers 40 km in the first hour and 70 km in the next hour. The motion is

Explanation:

Link:

Question (28)

An object moving with constant speed along a straight line is said to be in

Explanation:

Link:

Question (29)

In non-uniform linear motion, an object covers

Explanation:

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Question (30)

A train covers distances of 20 km every 10 minutes repeatedly. The motion is

Explanation:

Link:

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