A man weight 800N climbs up a stairs to height of 15m in ...
A man weight 800N climbs up a stairs to height of 15m in 12.5s. What is the man''s average power output?
667W
810W
960W
15000W
Correct answer is C
power = \(\frac{\text {work done}}{time}\)
= \(\frac{800 \times 15}{12.5}\)
= 960W
A series RLC circuit is said to resonate, when ...
The dimensions of momentum are ...
Which of the following has the highest surface tension? ...
What is the total resistance in the above diagram? ...
Which of the following statements is not true of nuclear fission? ...
An electric device is rated 2000W, 250V. Calculate the maximum current it can take ...
A short response to time is obtained in liquid-in-glass thermometer when the ...