Author Question: A 50-kg load is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. By what distance ... (Read 79 times)

asd123 · **on:** Jul 29, 2018

A 50-kg load is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. By what distance will the wire stretch? Young's modulus for steel is 2.0 1011 Pa.

A) 1.5 cm
B) 2.5 cm
C) 3.5 cm
D) 4.5 cm

Question 2

An ornament of mass 40.0 g is attached to a vertical ideal spring with a force constant (spring constant) of 20.0 N/m. The ornament is then lowered very slowly until the spring stops stretching. How much does the spring stretch?

A) 0.00200 m
B) 0.0196 m
C) 0.0816 m
D) 0.800 m
E) 0.200 m