The coefficient of linear expansion of lead is 29 × 10-6K-1. What change in temperature will cause a 10-m long lead bar to change in length by 3.0 mm?
A)
5.0 K
B)
10 K
C)
15 K
D)
20 K
E)
25 K
B
You might also like to view...
An object is placed 10 cm in front of a concave mirror with a 20-cm focal length. Determine the image location (in cm)
a. ?20 b. ?15 c. ?10 d. ?5 e. 6.7
When a standing wave occurs on a string,
1.all points along the string move up and down equal distances. 2.all points along the string move up and down, but some move more than others. 3.many points along the string move up and down, some move more than others, and some are stationary. 4.all points along the string are completely stationary because the waves from each direction cancel each other out.
Which of the following terms is given to a pair of stars that we can determine are orbiting each other only by measuring their periodic Doppler shifts?
A) visual binary B) eclipsing binary C) spectroscopic binary D) double star E) none of the above
The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion. Assume that 40 cm3 of gasoline is atomized into N spherical droplets. Each droplet has a radius of 2.0 × 10^-5 m. Find the total surface area of these N spherical droplets
a. 60,000 cm2 c. 20,000 cm2 b. 24,000 cm2 d. 2800 cm2