When a truck is pulling a car out of a ditch using a 9.1 m long...

When a truck is pulling a car out of a ditch using a 9.1 m long steel cable with a radius of 5 mm, and a Young's modulus for steel of 2 × 10¹¹Nm, at what length has the cable stretched when the tension in the cable is 800 N and the car just begins to move?

Options

A0.2 × 10³m
B0.5 × 10³m
C0.9 × 10³m
D1.2 × 10³m

Correct answer

B. 0.5 × 10³m

Step-by-step solution

Correct Option is : (B)
0.5 × 10³m

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