Kinematics (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 23 - 26 of 233

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Question number: 23

» Kinematics » Motion in a Plane

MCQ▾

Question

Three different objects of masses m1, m2 and w3 are allowed to fall from rest and from the same point ‘O’ along three different frictionless paths. The speeds of the three objects, on reaching the ground, will be in the ratio of

Choices

Choice (4) Response

a.

Equation Equation Equation

b.

m 1 : m 2: m 3

c.

1: 1: 1

d.

m 1 : 2m 2: 3m 3

Question number: 24

» Kinematics » Motion in a Straight Line

MCQ▾

Question

Time taken by an object falling from rest to cover the height of h1 and h2 is respectively t1 and t2 then the ratio of ty to t2 is

Choices

Choice (4) Response

a.

h 1: 2h 2

b.

Equation : Equation

c.

2h 1: h 2

d.

h 1: h 2

Question number: 25

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

From the top of a multistoried building 40m tall, a boy projects a stone vertically upwards with an initial velocity of 10 ms -1 such that it eventually falls to the ground.

(1) After 4 s the stone will strike the ground

(2) After 2 s the stone will pass through the point from where it was projected

(3) Its velocity when it strikes the ground is 30 m/s

(4) Its velocity when it strikes the ground is 40 m/s

Choices

Choice (4) Response

a.

1, 2 and 3

b.

2 and 4

c.

1 and 3

d.

1 and 2

Question number: 26

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A body travels for 15 second starting from rest with constant acceleration. If it travels distances S 1, S 2 and S 3, in the first five seconds, second five seconds and next five seconds respectively the relation between S 1, S 2 and S 3 is

Choices

Choice (4) Response

a.

s 1 = s 2 = s 3

b.

s 1 =

Equation

s 2 =

Equation

s 3

c.

5s 1 = 3s 2 = s 3

d.

s 1 =

Equation

s 2 =

Equation

s 3

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