A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is___________________?
B. 1.57 m/sec
C. 3.14 m/sec(Correct)
D. 6.28 m/sec
		A. P = R
B. Q = R
C. P = Q
D. None of the above is correct
		A. P
B. PV2
C. P/V2
D. 2P
		A. floor is smooth and wall is rough
B. floor is rough and wall is rough
C. both floor and wall are rough
D. both floor and wall are smooth
		A. straight line and parabola
B. straight line and circle
C. circle and straight line
D. circle and parabola