Chemistry, 12.05.2021 21:40, yoangel9183
How are communication signals on the ground sent to spacecraft?
A )The signals must be sent from ground stations to orbiting satellites and then on to spacecraft.
B )The signals are sent directly to spacecraft using radio waves.
C )The signals will not reach the spacecraft directly from Earth.
D )The signals must be changed to another form at ground stations to travel through space.
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Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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How are communication signals on the ground sent to spacecraft?
A )The signals must be sent from gr...
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