if a car is moving with a speed of 50km/s then calculate the distance covered by the car in 20 seconds

Input work is the work done on a machine as the input force acts through the input distance. This is in contrast to output work which is a force that is applied by the body or system to something else. Output work is the work done by a machine as the output force acts through the output distance.Jan 15, 2020

Explanation:

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speed =50km/s

time=20s

distance covered =?

Now,

speed=distance covered÷time taken

50km/s=distance covered ÷20

50×20=distance covered

1000m=distance covered

Distance covered =1000m answer!!!

this may help you a lot

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.