A 1200-Kg Car Is Being Raised with a Constant Acceleration

question 6

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

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Definitions:

Run Down

A state of being tired, exhausted, or lacking energy, often as a result of prolonged stress or overwork.

Parasuicidal

Behavior that is similar to suicide attempts but without a clear intention to cause death, often a cry for help or a sign of distress.

Ambivalence

The state of having mixed feelings or contradictory ideas about something or someone, often resulting in uncertainty or difficulty in making decisions.

Suicide Risk

The likelihood that an individual will attempt to take their own life, often assessed through various psychological and behavioral factors.