Question

express 10m s raise the power -1 in km h raise the power -1​

Answer 1

Explanation:

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Answer 2

Explanation:

power plant takes in 5 times 10^6 m^3 of cooling water per day from a river and exhausts 1200 megawatts of waste heat into this water. If the temperature of the inflowing water is 20 degree C, what is the temperature of the out flowing water? Your metabolism extracts about 100 kcal of chemical energy from one apple. If you want to get rid of all this energy by jogging, how far must you jog? At a speed of 12 km/h, jogging requires about 750 kcal/h. For basic subsistence a human body requires a diet with about 2000 kcal/day. Express this power in watts. By turning a crank, you can do mechanical work at the steady rate of 0.15 hp. If the crank is connected to paddles churning 4 liters of water, how long must you churn the water to raise its temperature by 5 degree C? You can warm the surfaces of your hands by rubbing one against the other. If the coefficient of friction between your is 0.6 and if you press your hands together with a force of 60 N while rubbing them back and forth at an average speed of 0.5 m/s, at what rate (in calories per second) do you generate heat on the surfaces of your hands?