# Kinematics Test By Anshul Valecha

6 Questions | Total Attempts: 53  Settings  • 1.
• A.

5 units

• B.

12 units

• C.

13 units

• D.

17 units

• 2.
An insect fly start from one corner of a cubical room and reaches at diagonally opposite corner. The magnitude of the displacement of the insect is 40 (3)1/2. The volume of the cube is
• A.

64000 ft3

• B.

1600 ft3

• C.

64(3)1/2 ft3

• D.

None of these

• 3.
In previous problem, if the insect does not fly but crawls, what is the minimum distance travelled by insect?
• A.

89.44 ft

• B.

95.44 ft

• C.

40 ft

• D.

80 ft

• 4.
The displacement of a body from a reference point, is given by, (x)1/2 = 2t + 3, where x is in meter and t in seconds. This shows that the body is
• A.

At rest

• B.

Accelerated

• C.

Decelerated

• D.

In uniform motion

• 5.
A train starting from rest travels the first part of its journey with constant acceleration a, second part with constant velocity v and third part with constant retardation a, being brought to rest. The average speed for the whole journey is 7v/8. The train travels with constant velocity for …….. of the total time
• A.

3/4

• B.

7/8

• C.

5/6

• D.

9/7

• 6.
If a, b and c be the distances traveled by the body during xth, yth and zth second from start, then which of the following relation is true?
• A.

A (y - z) + b (z - x) + c (x - y) = 0

• B.

A (x - y) + b (y - z) + c (z - x) = 0

• C.

A (z - x) + b (x - y) + c (y - z) = 0

• D.

Ax + by + cz = 0

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