Physics, 05.10.2021 20:40 kaygirlnelson6258
1. On a spacecraft two engines fire for a time of 565 s. One gives the craft an acceleration in the x direction of ax = 5.10 m/s^2, while the other produces an acceleration in the y direction of ay = 7.30 m/s^2. At the end of the firing period, the craft has velocity components of vx = 3775 m/s and vy = 4816 m/s. Find the magnitude and direction of the initial velocity. Express the direction as an angle with respect to the +x axis.
Answers: 1
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6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
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Boiling water in a pan is a good example of convection a.the warm water rises and the cooler water sinks. b.the water is touching the bottom of the pan, but not the heat source. c.boiling water can cook hard boiled eggs. d.boiling water is an example of radiation and not convection.
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1. On a spacecraft two engines fire for a time of 565 s. One gives the craft an acceleration in the...
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