Multiple Choice
A copper alloy wire of length 2.0 m, cross sectional area 7.1 *10-6 m2, and Young's modulus 11 *1010 N/m2, has a 200-kg load hung on it. What is its increase in length? (g = 9.8 m/s2)
A) 0.50 mm
B) 1.0 mm
C) 2.5 mm
D) 5.0 mm
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q1: The position of a 0.64-kg mass
Q2: A 0.20-kg object is attached to a
Q3: An ore car of mass 2000 kg
Q5: To double the total energy of a
Q16: A mass of 0.40 kg,hanging from a
Q35: Four identical springs each have the same
Q49: A 0.20-kg block rests on a frictionless,level
Q51: A tiny spring,with a spring constant of
Q52: A simple pendulum has a period of
Q79: When car shock absorbers wear out and