A 1200-Kg Car Is Being Raised at a Constant $2.0 \times 10 ^ { 11 } \mathrm {~Pa}$

question 82

Multiple Choice

A 1200-kg car is being raised at a constant speed if 25 cm/s by a crane, using a 20-m long steel cable that is 1.5 cm in diameter. Young's modulus for steel is $2.0 \times 10 ^ { 11 } \mathrm {~Pa}$ Iength of the cable caused by the car?
What is the change in length of the cable caused by the car?

• A) 3.3 mm
• B) 6.7 mm
• C) 3.3 cm
• D) 3.3 m
• E) 6.7 cm

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