Physics, 02.03.2020 20:50 cutie22327
An airplane is flying horizontally with speed 1000km/h(280m/s) when an engine falls off. Neglecting air resistance, assume it takes 30s for the engine to hit the ground. (a) How highis the airplane? (b) How far horizontally does the engine travelwhile it falls? (c) if the airplane somehow continues to fly as ifnothing had happened, where is the engine relative to the airplaneat the moment the engine hits the ground??
Answers: 2
Physics, 21.06.2019 23:00
We want to calculate the total metabolic heat generated by a singing canary taking into account heat transfer by radiation, convection and exhaling air. the air temperature is 20 oc, canary’s body internal and surface temperature is 33oc, external body surface convective heat transfer coefficient is 25.2 w/m2 .k, temperature difference between the inhaled and exhaled air is 4.3 oc, the ventilation rate is 0.74 cc of air per second, specific heat of air is 1.0066 kj/kg.k and density of air is 1.16 kg/m3 . assume the canary’s body to be a cylinder with 7 cm diameter and 9 cm length, and heat exchange is from the side as well as the top and bottom of cylinder. calculate 1) the net rate of heat lost by radiation, assuming heat gained by the bird through radiation from the surroundings is 11.5 w; 2) rate of heat transferred by convection to the surrounding air; 3) rate of heat transferred in the exhaling air without considering any internal evaporation; 4) total metabolic power.
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Physics, 22.06.2019 05:30
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Physics, 22.06.2019 18:00
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Physics, 22.06.2019 18:00
Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above
Answers: 1
An airplane is flying horizontally with speed 1000km/h(280m/s) when an engine falls off. Neglecting...
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