Young's Modulus: 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
Answer: C
You might also like to view...
The x component of the velocity of an object vibrating along the x-axis obeys the equation vx(t) = (0.445 m/s) sin[(25.4 rad/s)t + 0.223]
(a) What is the amplitude of the motion of this object? (b) What is the maximum acceleration of the vibrating object?
Europa has few craters because
a. it is protected from impacts by Jupiter's gravity. b. it does not have a solid surface. c. it has erased craters nearly as fast as they have formed. d. its surface is not strong enough to support craters. e. it keeps one face always pointed toward Jupiter which screens it from incoming meteorites.
Which of the following planets has the least substantial atmosphere?
A) Venus B) Earth C) Mars D) Neptune E) Mercury
Which of the following sequence of electromagnetic radiations is in order of increasing wavelength?
A) radio, infrared, UV, gamma ray B) gamma ray, UV, radio, microwave C) X-ray, visible, infrared, radio D) UV, infrared, visible, microwave