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Here, after ‘has’, the third form of the word should be used. So, ‘done’ is correct, not ‘do’. Debt bondage and forced labour flourish because the Government has done nothing to ensure the economic security of labourers.
A particle is fired with initial speed 30 m/s and lands back at same horizontal level. If its horizontal range is equal to 4.5 times the vertical he...
Find the power if a force of 100 N displaces an object by 10 m in 5 seconds.
If the Earth stopped rotating, what would happen to the apparent value of gravity (g) at different locations?
A particle moving in a straight line with uniform acceleration covers distances 5 m, 9 m, and 13 m in the 1st, 2nd, and 3rd second of motion respectivel...
The functioning of a quartz crystal in a watch is based on which principle?
Which of the following is not a vector quantity?
Which of the following is the ultimate source of energy?
Which of the following optical phenomena CANNOT convert unpolarised light to plane polarised light?
A tuning fork of frequency 440 Hz resonates with a pipe closed at one end, vibrating in its second overtone . If the speed of sound in air is 330 m/s, ...
A particle with charge q = 2 μC moves through a magnetic field B = 0.5 T with velocity v = 4 m/s at angle 60°. Find magnitude of magnetic force.