One Joule is equivalent to________________?
B. 1 Newton – metre(Correct)
C. 1 kg wt – metre
D. 1 dyne – metre
B. 1 Newton – metre(Correct)
C. 1 kg wt – metre
D. 1 dyne – metre
B. 1 Newton – metre(Correct)
C. 1 kg wt – metre
D. 1 dyne – metre
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One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is___________________?
One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is___________________? A. a simple harmonic motion(Correct)
B. a rectilinear motion with constant speed
C. a damped oscillatory motion
D. none of the aboveA light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________?
A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________? A. parabola(Correct)
B. catenary
C. cycloid
D. ellipseA 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___________________?
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___________________? A. 1.00 m/sec
B. 1.57 m/sec
C. 3.14 m/sec(Correct)
D. 6.28 m/secFor a given velocity of a projectile, the range is maximum when the angle of projection is___________________?
For a given velocity of a projectile, the range is maximum when the angle of projection is___________________? A. 30°
B. 45°(Correct)
C. 90°
D. 0°