## Physics | Study Mode

Question 1
A
I, II, III & IV
B
I, II, III only
C
I, II, IV only
D
I, & III only
E
I & IV only
Explanation.

No official Explanation yet!

Question 2
A
Distance travelled
B
Uniform velocity
C
Uniform acceleration
D
Instantaneous acceleration
E
Uniform speed
Explanation.

No official Explanation yet!

Question 3
A
lies flat on his back
B
lies flat on his belly
C
stand on both feet
D
stand on one foot only
E
stand on toes of one foot
Explanation.

No official Explanation yet!

Question 4
A
I & II only
B
II & III only
C
II, III & IV only
D
I, II, III & IV
E
I, III & IV only
Explanation.

No official Explanation yet!

Question 5
A
0.2ms-1
B
0.5ms-1
C
5.0ms-1
D
10.0ms-1
E
20.0ms-1
Explanation.

No official Explanation yet!

Question 6
A
I & II only
B
I & III only
C
II & III only
D
II only
E
III only
Explanation.

No official Explanation yet!

Question 7
A
The kinetic energy of the stone is converted into gravitational potential energy
B
The gravitational potential energy of the catapult is converted into kinetic energy of the stone
C
The gravitational potential energy is converted into elastic potential energy
D
The elastic potential energy of the catapult is converted into gravitational potential energy of the stone
E
None of the above
Explanation.

No official Explanation yet!

Question 8
A
2.5s
B
5.0s
C
10.0s
D
15.0s
E
20.0s
Explanation.
Time to move up:

V = U - gt
0 = 50 - 10t
t = 5.

Total time spent on air = 2t = 10.0s

Question 9
A
V = r
B
V = 2
C
V = r2
D
V2 = r
E
V = /r
Explanation.

No official Explanation yet!

Question 10
A
Acceleration is always directed towards a fixed point
B
path of motion is a striaght line
C
Acceleration is directed towards a fixed point and proportional to its distance from the point
D
Acceleration is proportional to the square of the distance from a fixed point
E
Acceleration is constant and directed towards a fixed point
Explanation.

No official Explanation yet!

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