# Kinematics-Motion in a Plane (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 6 - 10 of 15

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## Question number: 6

» Kinematics » Motion in a Plane

MCQ▾

### Question

A force (where K is a positive constant) acts on a particle moving in the x-y plane. Starting from the origin, the particle is taken along the positive x-axis to the point (a, 0) and then parallel to the y-axis to the point

(a, a). The total work done by the forces F on the particle is

### Choices

Choice (4) Response

a.

2Ka 2

b.

Ka 2

c.

-Ka 2

d.

-2Ka 2

## Question number: 7

» Kinematics » Motion in a Plane

MCQ▾

### Question

A ball thrown by one player reaches the other in 2 sec. The maximum height attained by the ball above the point of projection will be about-

### Choices

Choice (4) Response

a.

2.5 m

b.

7.5 m

c.

10 m

d.

5 m

## Question number: 8

» Kinematics » Motion in a Plane

MCQ▾

### Question

The path followed by a body projected along y axis is given by y = √3 x - (1/2) x2. If g = 10 m/s2, then the initial velocity of projectile will be - (x and y are in m)

### Choices

Choice (4) Response

a.

10 √3 m/s

b.

10 √2 m/s

c.

2 √10 m/s

d.

3 √10 m/s

## Question number: 9

» Kinematics » Motion in a Plane

MCQ▾

### Question

Rishabh and Bappy are playing with two different balls of masses m and 2m respectively. If Rishabh throws his ball vertically up and Bappy at an angle 0, both of them stay in our view for the same period. The heights attained by the two balls are in the ratio of

### Choices

Choice (4) Response

a.

1: 1

b.

2: 1

c.

1: sec 0

d.

1: cos 9

## Question number: 10

» Kinematics » Motion in a Plane

MCQ▾

### Question

A body is thrown at an angle 30° to the horizontal with the velocity of 30 m/s. After 1 sec, its velocity will be (in m/s) (g = 10 m/s2)

### Choices

Choice (4) Response

a.

10√7

b.

√10

c.

100√7

d.

700√10

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