Motion in a Plane Test

Result

Motion in a Plane Test - 1

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

A ball is projected horizontally with a velocity of 5 ms^-1from the top of a building which is 19.6 m high. How long will the ball take to hit the ground?

A
√2 s

B
2 s

C
√3 s

D
3 s
Question 2
1 / -0

From the top of a tower of height 40 m, a ball is projected upwards with a speed of 20 ms^–1 at an angle of 30° with the horizontal. If g = 10 ms^–2, then after how much time will the ball hit the ground?

A
1 s

B
2 s

C
3 s

D
4 s
Question 3
1 / -0

When a projectile is at the highest point of its trajectory, the directions of its velocity and acceleration are

A
parallel to each other

B
anti-parallel to each other

C
inclined to each other at an angle of 45°

D
perpendicular to each other
Question 4
1 / -0

Which one of the following statements is NOT true about the motion of a projectile?

A
The time of flight of a projectile is proportional to the speed with which it is projected.

B
The horizontal range of a projectile is proportional to the square root of the speed with which it is projected.

C
For a given speed of projection, the angle of projection for the maximum range is 45°.

D
At the maximum height, the acceleration due to gravity is perpendicular to the velocity of the projectile.
Question 5
1 / -0

A body is projected with a kinetic energy K at an angle of 60° with the horizontal. Its kinetic energy at the highest point of its trajectory will be

A
2K

B
K

C
K/2

D
K/4
Question 6
1 / -0

It is possible to project a particle with a given velocity in two possible ways, so as to make it pass through a point P at a distant r from the point of projection. The product of the time durations taken to reach this point in the two possible ways is proportional to

A
1/r

B
r

C
r³

D
1/r²

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Motion in a Plane Test - 1

Result

Motion in a Plane Test - 1

Score

-

Rank

-

SHARING IS CARING

Question 1

√2 s

2 s

√3 s

3 s

Question 2

1 s

2 s

3 s

4 s

Question 3

parallel to each other

anti-parallel to each other

inclined to each other at an angle of 45°

perpendicular to each other

Question 4

The time of flight of a projectile is proportional to the speed with which it is projected.

The horizontal range of a projectile is proportional to the square root of the speed with which it is projected.

For a given speed of projection, the angle of projection for the maximum range is 45°.

At the maximum height, the acceleration due to gravity is perpendicular to the velocity of the projectile.

Question 5

2K

K

K/2

K/4

Question 6

1/r

r

r3

1/r2

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.

r³

1/r²