Kinematics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 106 - 109 of 475

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Question 106

Question MCQ▾

A ball ‘A’ is projected from origin with an initial velocity v0 = 700 in a direction 37° above the horizontal as shown in fig Another ball ‘B’ 300 cm from origin on a line 37° above the horizontal is released from rest at the instant A starts. How far will B have fallen when it is hit by A?

Choices

Choice (4)Response

a.

900 cm

b.

9 cm

c.

90 cm

d.

0.9 cm

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Question 107

Question Assertion-Reason▾

Assertion(Ꭺ)

In non-uniform circular motion, velocity vector and acceleration vector are not perpendicular to each other.

Reason(Ꭱ)

In non-uniform circular motion, particle has normal as well as tangential acceleration.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

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Question 108

Question MCQ▾

A car driver is negotiating a curve of radius 100 m with a speed of 18 km/hr. The angle through which he has to lean from the vertical will be –

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 109

Question MCQ▾

A ball is thrown horizontally from a height of 20 m. It hits) the ground with a velocity three times its initial velocity. The initial velocity of ball is

Choices

Choice (4)Response

a.

5 m/s

b.

7 m/s

c.

2 m/s

d.

3 m/s

Edit