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How Much Energy Would Be Required to Accelerate A 77kg77 - \mathrm { kg }

Question 52

Multiple Choice

How much energy would be required to accelerate a 77kg77 - \mathrm { kg } professor from rest to 90%90 \% the speed of light? (c=3.0×108 m/s) \left( c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)


A) 3.5×1019 J3.5 \times 10 ^ { 19 } \mathrm {~J}
B) 1.6×1019 J1.6 \times 10 ^ { 19 } \mathrm {~J}
C) 9.0×1019 J9.0 \times 10 ^ { 19 } \mathrm {~J}
D) 2.8×1019 J2.8 \times 10 ^ { 19 } \mathrm {~J}
E) 2.1×1019 J2.1 \times 10 ^ { 19 } \mathrm {~J}

Correct Answer:

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