Rotational Motion-Concepts of Rotational Motion (AIIMS Physics): Questions 5 - 6 of 6

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Question number: 5

» Rotational Motion » Concepts of Rotational Motion

MCQ▾

Question

A stone of mass 5 kg is attached to a string 1.69m long and is whirled in a horizontal circle. The maximum tension the string can withstand is 20 N. What maximum velocity can be given to the stone without breaking the string?

Choices

Choice (4) Response

a.

2.4ms

b.

3.2ms

c.

3.4ms

d.

2.6ms

Question number: 6

» Rotational Motion » Concepts of Rotational Motion

MCQ▾

Question

A stone tied to the end of 15 cm long string is whirled in a horizontal circle. If the centripetal acceleration is 9.6ms2 , its angular speed in radians is –

Choices

Choice (4) Response

a.

227

b.

8

c.

9

d.

15

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