Kinematics (NEET Physics): Questions 18 - 22 of 229

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Question number: 18

» Kinematics » Motion in a Plane

MCQ▾

Question

the effective acceleration of a body, when thrown upwards with acceleration a will be:

Choices

Choice (4) Response
a.

(a – g)

b.

ag2

c.

(a + g)

d.

a2g2

Question number: 19

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is

Choices

Choice (4) Response
a.

East-north direction

b.

West-north direction

c.

South-east direction

d. All of the above

Question number: 20

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A small block slides without friction down an inclined plane starting from rest. Let Sn be the distance travelled from time t = n – 1 to t = n. then

snsn1

is

Choices

Choice (4) Response
a.

(2n1)(2n+1)

b.

(2n+1)(2n1)

c.

(2n1)2n

d.

2n(2n+1)

Question number: 21

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A particle starts from rest. Its acceleration (a) versus time (t) graph is as shown in the figure. The maximum speed of the particle will be

Its acceleration (a) versus time (t) graph is as shown in.

Its Acceleration (A) Versus Time (T) Graph Is as Shown in.

Its acceleration (a) versus time (t) graph is as shown in the figure

Choices

Choice (4) Response
a.

110m/s

b.

550m/s

c.

660m/s

d.

55m/s

Question number: 22

» Kinematics » Motion in a Straight Line

MCQ▾

Question

P, Q and R are three balloons ascending with velocities U, 4U and 8U respectively. If stones of the same mass be dropped from each, when they are at the same height, then

Choices

Choice (4) Response
a.

Stone from R reaches the ground first

b.

They reach the ground at the same time

c.

Stone from P reaches the ground first

d.

Stone from Q reaches the ground first

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