Motion in a Plane Test

Result

Motion in a Plane Test - 35

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Weekly Quiz Competition

Question 1
4 / -1

The maximum range of a gun on horizontal terrain is 16 km. If g = 10 m/s². What must be the muzzle velocity of the shell?

A
200 m/s

B
400 m/s

C
100 m/s

D
50 m/s

Solution
Question 2
4 / -1

A stone is just released fro the window of a train moving along a horizontal straight track. The stone will hit the ground folloiwng

A
Straight path

B
Circular path

C
Parabolic path

D
Hyperbolic path
Question 3
4 / -1

An aeroplane if flying at a constant horizontal velocity of 600 km/hr at an elevation of 6 km towards a point directly above the target on the earth\'s surface. At an appropriate time, the pilot releases a ball so that it strikes the target at the earth. The ball will appear to be falling

A
On a parabolic path as seen by pilot in the plane

B
Vertically along a straight path as seen by an observer on the ground near the target

C
On a parabolic path as seen by an observer on the ground near the target

D
On a zig-zag path seen by pilot in the plane
Question 4
4 / -1

A bomb is dropped from an aeroplane moving horizontally at constant speed. When air resistance is taken into consideration, the bomb

A
Falls to earth exactly below the aeroplane

B
Falls to earth behind the aeroplane

C
Falls to earth ahead of the aeroplane

D
Files with the aeroplane
Question 5
4 / -1

A man projects a coin upwards from the gate of a uniformly moving train. The path of coin for the man will be

A
Parabolic

B
Inclined straight line

C
Vertical straight line

D
Horizontal straight line
Question 6
4 / -1

A ball is rolled off the edge of a horizontal table at a speed of 4 m/sec. It hits the ground after 0.4 second. Which statement given below is true?

A
It hits the ground at a horizontal distance 1.6 m from the edge of the table

B
The speed with which it hits the ground is 4.0 m/sec

C
height of the table is 0.8 m

D
It hits the ground at an angle of 60^o to the horizontal

Solution
Question 7
4 / -1

A body is thrown horizontally from the top of a tower of height 5 m. It touches the ground at a distance of 10 m from the foot of the tower. The initial velocity of the body is (g = 10 ms^–2)

A
2.5 ms^–1

B
5 ms^–1

C
10 ms^–1

D
20 ms^–1

Solution
Question 8
4 / -1

At the height 80 m, an aeroplane is moving with 150 m/s. A bomb is dropped from it so to hit a target. At what distance from the target should be bomb be dropped (Given g = ms^–2)

A
605.3 m

B
600 m

C
80 m

D
230 m

Solution
Question 9
4 / -1

A bomber plane moves horizontally with a speed of 500 m/s and a bomb released from it, strikes the ground in 10 sec. Angle at which it strikes the ground will be (g = 10 ms^–2)

A

B

C

D

Solution
Question 10
4 / -1

A large number of bullets are fired in all directions with same speed v. What is the maximum area on the ground on which these bullets will spread?

A

B

C

D

Solution