Kinematics (NEET Physics): Questions 146 - 150 of 233

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Question number: 146

» Kinematics » Uniform and Non-Uniform Motion

MCQ▾

Question

A body whose mass 6 kg is acted upon by two forces (8i + 10j) N and (4i + 8j) N. The acceleration produced will be (in m/s 2) -

Choices

Choice (4) Response

a.

12i + 18j

b.

(3i + 2j)

c.

1/3 (G + 3)

d.

2i + 3j

Question number: 147

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A cricket ball of mass 150 g is moving with a velocity of 12m/sec and is hit by a bat so that the ball is turned back with a velocity of 20 m/sec; the force on the ball acts for 0.01 sec, then the average force exerted by the bat on the ball will be

Choices

Choice (4) Response

a.

40 N

b.

48 N

c.

400 N

d.

480 N

Question number: 148

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A lady is walking on a level road at a speed of 8 km/h. Raindrops fall vertically with a speed of 6 km/h. Find the velocity of raindrops with respect to the men.

Choices

Choice (4) Response

a.

4 km/hr

b.

3 km/hr

c.

10 km/hr

d.

7 km/hr

Question number: 149

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A body of mass 2 kg is moving along x-defection with a velocity of 2 m/sec. If a force of 4 N is applied on it along y-direction for 1 sec, the final velocity of particle will be -

Choices

Choice (4) Response

a.

2√2 m/s

b.

√2m/s

c.

1/√2 m/s

d.

1/2√2 m/s

Question number: 150

» Kinematics » Uniform and Non-Uniform Motion

MCQ▾

Question

A force of ( Equation ) N acted on a body of mass 20 kg. The displacement after 20 sec, if it starts from rest, will be -

Choices

Choice (4) Response

a.

100 m along Equation with x axis

b.

200 m along Equation with x axis

c.

500 m along Equation with x axis

d.

Question does not provide sufficient data or is vague

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