Physics-Motion and Force (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 24 - 26 of 26

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Question number: 24

» Physics » Motion and Force

MCQ▾

Question

A body is thrown vertically upwards with velocity u. The distances travelled by it in the fifth and sixth seconds are equal. The velocity u is (g = 9.8 m/s2)

Choices

Choice (4) Response

a.

78.0 m/s

b.

49.0 m/s

c.

24.5 m/s

d.

54 m/s

Question number: 25

» Physics » Motion and Force

MCQ▾

Question

A body is thrown vertically upwards with a velocity u. Find the true statement from the following.

Choices

Choice (4) Response

a.

Velocity is maximum and acceleration is zero at the highest point

b.

velocity and acceleration are zero at its highest point

c.

Velocity is zero at the higher point and maximum height reached is u2/2g

d.

Velocity is maximum and acceleration is of downwards at its highest point

Question number: 26

» Physics » Motion and Force

MCQ▾

Question

The mass of the Moon is 7.34 x 1022 kg and the radius is 1.74 x 106 m. The value of gravitation acceleration will be

Choices

Choice (4) Response

a.

1.45 N/kg

b.

1.62 N/kg

c.

1.55 N/kg

d.

1.75 N/kg

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