The mass of mars is 6.419 times 10 26 square kg and the, Ask an Expert

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Q. The mass of mars is 6.419 times 10 26 square kg and the mass of a single proton is 1.673 times 10 negative 27 square kg. assuming mars is made entirely of protons, how many protons would make up mars?

Q. A rectangular loop of wire lies in the same plane as a straight wire, as shown in Fig. 20-57. There is a current of 2.5 A in both wires. Determine the magnitude of the net force on the loop.

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