.41 hours. 2/24 • 5/24 =10/24 then 10/24= .41 hours or 24.6 minutes
Explanation:
The darker the object, the better it emits heat, because it's a better absorber of light. On the other hand, a white object appears white because it reflects all the different wavelengths and absorbs little to no light.
Answer:
Power = Work / Time
P = 400 kg * 9.8 m/s * 4.5 m / 3600 sec = 4.9 J/s = 4.9 Watts
Also, 4.9 Watts / (746 Watts / Horsepower) = .0066 Hp
The answer is B. On a sunny day, the air over a lake will be cooler than the air over the bordering land.
