If a galaxy is located 200 million light years from earth, what can you conclude about the light from that galaxy?

a. the light will take 200 million years to reach earth.

b. the light will travel 200 million kilometers per second to reach earth.

c. the light will travel a total of 300,000 kilometers to reach earth.

d. the light will travel a total of 200 million kilometers to reach earth.

What is the radius of the circular path ofa charged particle in a magnetic field?

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Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?