When a body of mass 1.0 kg is suspended from a certain light spring hanging vertically, its length increases by 5 cm. By suspending 2.0 kg block to the spring and if the block is pulled through 10 cm and released the maximum velocity in it in m/s is: (Acceleration due to gravity=10m/s2) ____.
0.5
1
2
4
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2 : 1
1 : 2
4 : 1
1 : 4
If a spring extends by x on loading, then energy stored by the spring is (if T is the tension in the spring and K is the spring constant) ____.
A weightless spring of length 60 cm and force constant 200 N/m is kept straight and unscratched on a smooth horizontal table and its ends are rigidly fixed. A mass of 0.25 kg is attached at the middle of the spring and is slightly displaced along the length. The time period of the oscillation of the mass is ____.
The time period of a mass suspended from a spring is T. If the spring is cut into four equal parts and the same mass is suspended from one of the parts, then the new time period is ____.
T
2 T
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An object is attached to the bottom of a light vertical spring and set vibrating. The maximum speed of the object is 15 cm/s and the period is 628 milliseconds. The amplitude of the motion in centimeters is ____.
3.0
2.0
1.5
1.0
When a mass m is attached to a spring, it normally extends by 0.2 m. The mass m is given a slight addition extension and released, and then its time period is ____.
1 s
If a body of mass 0.98 kg is made to oscillate on a spring of force constant 4.84 N/m, the angular frequency of the body is ____.
1.22 rad/s
2.22 rad/s
3.22 rad/s
4.22 rad/s
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The maximum velocity occurs, when x = 0
All the above are correct
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