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

question 52

Multiple Choice

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

• A) \(3.5 \times 10 ^ { 19 } \mathrm {~J}\)
• B) \(1.6 \times 10 ^ { 19 } \mathrm {~J}\)
• C) \(9.0 \times 10 ^ { 19 } \mathrm {~J}\)
• D) \(2.8 \times 10 ^ { 19 } \mathrm {~J}\)
• E) \(2.1 \times 10 ^ { 19 } \mathrm {~J}\)

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