A 320 kg rocket sled can be accelerated at a constant rate, Ask an Expert

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Q. A 320 kg rocket sled can be accelerated at a constant rate from rest to 1400 km/h in 2.0 s. What is the magnitude of the necessary net force?

Q. A potential difference of 84 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell?

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Category:- Physics
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