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) 1.00 mm B) 2.00 mm C) 16.0 mm D) 8.00 mm E) 4.00 mm
C
You might also like to view...
What kind of material in the solar nebula could remain solid at temperatures as high as 1,500 K, such as existed in the inner regions of the nebula?
A) rocks B) metals C) silicon-based minerals D) hydrogen compounds E) molecules such as methane and ammonia
One mole of hydrogen, one mole of nitrogen and one mole of oxygen are held in a 22.4 × 103 cm3 enclosed vessel at 20°C. The pressure in the vessel, in N/m2, is
A. 109. B. 304. C. 326. D. 1.09 × 105. E. 3.26 × 105.
The currently accepted theory for the formation of the Moon is the
A) co-formation model in which the Moon formed from a rotating disk of gas and dust around the Earth B) fission model in which the Moon was spun out from a rapidly rotating Earth C) giant impact model in which material was blasted from the Earth after an impact with a body the size of the planet Mars D) capture model in which the Moon formed elsewhere and was later captured into orbit by the Earth's gravity
An 80 kg person walks up a flight of 3 m high stairs, then down the same flight of stairs to the person's original position. What is the change in the person's gravitational potential energy?
a. 0 J b. 240 J c. 480 J d. 2352 J e. 4704 J