Multiple Choice
A 1200-kg car is being raised with a constant acceleration of 2.53 m/s2 by a crane, using a 20-m long steel cable, 1.5 cm in diameter. Young's modulus for steel is 20 × 1010 N/m2. What is the change in length of the cable?
A) 8.4 mm
B) 8.4 cm
C) 4.9 mm
D) 4.9 cm
E) 4.9 m
Correct Answer:
Verified
Correct Answer:
Verified
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