Acceleration Is Sometimes Expressed in Multiples of G, Where $g = 9.8 \mathrm {~m} / \mathrm { s } ^ { 2 }$

question 55

Multiple Choice

Acceleration is sometimes expressed in multiples of g, where $g = 9.8 \mathrm {~m} / \mathrm { s } ^ { 2 }$ is the acceleration of an object due to the earth's gravity. In a car crash, the car's forward velocity may go from $29 \mathrm {~m} / \mathrm { s }$ to $0 \mathrm {~m} / \mathrm { s }$ in $0.15 \mathrm {~s}$ How many g's are experienced, on average, by the driver?

• A) 20 g
• B) 14 g
• C) 24 g
• D) 26 g

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