Young's Modulus: When a 125-kg piece of equipment is hung from a steel wire of diameter 6.00 mm, it stretches the wire by 4.00 mm. If instead the wire had a diameter of 3.00 mm, but all else were the same, by what distance would the same equipment stretch the wire?
A. 16.0 mm
B. 8.00 mm
C. 4.00 mm
D. 2.00 mm
E. 1.00 mm
Answer: A
You might also like to view...
Which of the following planets can be seen as a crescent phase from Earth?
a. Mercury b. Venus c. Mars d. Both a and b e. All of the above
As a projectile moves along its parabolic trajectory, which of the following remain constant (ignoring air resistance, and defining the z axis as pointing upward)?
A. Its speed B. Its velocity C. Its x-velocity and y-velocity D. Its z-velocity E. Its acceleration F. Its x-velocity, y-velocity, and acceleration T. Some other combination of the given quantities
In 1994, fragments of Comet P/Shoemaker-Levy 9 collided with Jupiter. Assume that these fragments came from an infinite distance away with zero initial speed and fell into Jupiter
What was their speed when they arrived at Jupiter's surface? Jupiter has a mass of 1.90 × 1027 kg and a radius of 71.4 × 106 m, and G = 6.67 x 10-11 N•m2/kg2. A) 10,400 m/s B) 11,200 m/s C) 35,500 m/s D) 42,100 m/s E) 59,600 m/s
A bar magnet is held stationary while a circular loop of wire is moved toward the magnet at constant velocity at position A as in the figure
The loop passes over the magnet’s center at position B and moves away from the magnet at position C. Viewing the loop from the left as indicated in the figure, for which position is the induced current zero?
a.
Position A
b.
Position B
c.
Position C
d.
The induced current is never zero.