A car engine burns gas at 495 K, and exhausts to the air at 293 K. If it ran at the highest possible efficiency and used 10,000 J of input heat, how much heat would be rejected into the air? (Unit = J)

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explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19