The motion of a body is simple harmonic if the
Acceleration is always directed towards a fixed point
path of motion is a striaght line
Acceleration is directed towards a fixed point and proportional to its distance from the point
Acceleration is proportional to the square of the distance from a fixed point
Acceleration is constant and directed towards a fixed point
Correct answer is C
No explanation has been provided for this answer.
V = ωr
V = ω2r
V = ωr2
V2 = ωr
V = ω/r
Correct answer is A
No explanation has been provided for this answer.
2.5s
5.0s
10.0s
15.0s
20.0s
Correct answer is C
Time to move up:
V = U - gt
0 = 50 - 10t
t = 5.
Total time spent on air = 2t = 10.0s
The kinetic energy of the stone is converted into gravitational potential energy
The gravitational potential energy of the catapult is converted into kinetic energy of the stone
The gravitational potential energy is converted into elastic potential energy
The elastic potential energy of the catapult is converted into gravitational potential energy of the stone
None of the above
Correct answer is E
No explanation has been provided for this answer.
I & II only
I & III only
II & III only
II only
III only
Correct answer is D
No explanation has been provided for this answer.