Question1a person eats a dessert that contains 210 calories

Reference no: EM13350407

Question1

A person eats a dessert that contains 210 Calories. (This "Calorie" unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J.) The skin temperature of this individual is 36°C and that of her environment is 22° C. The emissivity of her skin is 0.75 and its surface area is 1.3 m2. How much moment would it take for her to produce a net radiant energy from her body that is equal to the energy contained in this dessert?

Question2

Water flowing throughout a garden hose of diameter 2.70 cm fills a 22.0-L bucket in 1.50 min.

(a) What is speed of the water leaving the end of the hose? m/s

(b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third diameter of the hose, what is the speed of the water leaving the nozzle? m/s

Reference no: EM13350407

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