Author Question: When we say that a material sample has reached its elastic limit, we mean that A) if any further ... (Read 32 times)

abc · **on:** Jul 29, 2018

When we say that a material sample has reached its elastic limit, we mean that

A) if any further stress is applied, the sample will break.
B) if any further stress is applied, the deformation of the sample will not be reversible.
C) the deformation no longer follows Hooke's law.
D) the material will continue deforming with no further additional stress.
E) None of the other choices is correct.

Question 2

A 1000-kg car is picking up speed as it goes around a horizontal curve whose radius is 100 m. The coefficient of static friction between the tires and the road is 0.350. At what speed will the car begin to skid sideways?

A) 9.25 m/s
B) 23.6 m/s
C) 34.3 m/s
D) 35.0 m/s
E) 18.5 m/s