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The correct answer is A
If the velocity-time graph of an object is a straight line inclined at an angle to the time axis, then:
A stone of mass 0.3 kg tied to the end of a string is whirled round in a circle of radius 1.2 m with a speed of 20 rev./ mim in a horizontal plane. Wha...
Global warming is expected to result in
What is the electrical charge of a neutrino?
A soap bubble expands isothermally and its radius doubles. The work done by surface tension during this expansion is:
Which physical quantity has unit “Joule/second”?
If Planck’s constant h, gravitational constant G, and speed of light v are taken as fundamental units, the dimension of time is:
Which of the following is not a natural polymer?
A body of mass 3 kg is acted upon by two perpendicular forces 9 N and 12 N. Find the resultant of two forces and the acceleration of the body.
A body is thrown upward with an initial velocity of 20m/s. How much time will it take to reach its maximum height. (g=10m/s)
