Physics, 28.07.2019 01:20 blessing03
Alunar lander in powered descent at 100 m above the surface of the moon slows down from a velocity of 20 m/s to 0.5 m/s at constant acceleration. assume that the lander has a mass of 20,000 kg and that burning the fuel does not change the mass. answer the following questions: how do i calculate the thrust? , all i need is to know what kind of equations i use for the question. i can do the rest.
Answers: 1
Physics, 21.06.2019 20:20
Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?
Answers: 1
Physics, 21.06.2019 23:10
6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
Answers: 2
Physics, 22.06.2019 07:00
Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?
Answers: 1
Alunar lander in powered descent at 100 m above the surface of the moon slows down from a velocity o...
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