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
A
Physics & Space Science
You might also like to view...
Discuss the evidence that supports the theory that there is a supermassive black hole at the center of our galaxy
What will be an ideal response?
Physics & Space Science
Which of these is NOT a form of electromagnetic radiation?
A) ultraviolet causing a suntan B) DC current from your car battery C) X-rays in the doctor's office D) light from your camp fire E) radio signals
Physics & Space Science
Galaxies in all directions appear to be redshifted, as if rushing away from us in the center of the universe. How does the cosmological principle handle this problem?
What will be an ideal response?
Physics & Space Science
Why are distant stars redder than nearby stars of the same spectral type?
What will be an ideal response?
Physics & Space Science