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A flask is filled with 1.53 L (L = liter) of a liquid at 90.7 °C. When the liquid is cooled to 16.5 °C, its volume is only 1.35 L, however. Neglect the contraction of the flask. What is the coefficient of volume expansion of the liquid?
The centers of a 7.0kg lead ball and a 140g lead ball are separated by 13cm. What gravitational force does each exert on the other
A driver travels 10 km east, 20 km north and 50 km in a direction 30 degrees south of west. What is the drivers average velocity if the trip takes 90 minutes
Kieran takes off down a 50m high, 10° slope on his jet-powered skis. The skis have a thrust of 320 N. The combined mass of skis and Kieran is 50 kg (the fuel mass is negligible). Kieran's speed at the bottom is 40 m/s. What is the coefficient of k..
Four charges are placed in a three-dimensional space. The charges have magnitudes 2 nC, -4 nC, 1 nC, and -9 nC. If a Gaussian surface encloses all the charges, what will be the electric flux through that surface?
A piece of charcoal used for cooking is found at the remains of an ancient campsite. Find the age of the charcoal in years
Find the eight ball's speed after the colision. Parallel rays of green mercury light with a wavelength of 546 nm pass through a slit with a width of 0.437 mm. What is distance from the central maximum to the first minimum on a screen 1.75 mm away f..
The quartz crystal in a digital watch has a frequency of 32.8 kHz. What is its period of oscillation?
Illustrate what method of ethical oversight (such as a code of ethics, an ethics advisory board, oversight by the board of directors or an ethics audit) would you suggest for Acre Woods Retirement Community as Illustrated in the case study in App..
On one of the shelves in your physics lab is displayed an antique telescope. A sign underneath the instrument says that the telescope has a magnification of 20, what is the focal length fe of the eyepiece
A vertical straight wire carrying an upward26-A current exerts an attractive force per unit length of 7.3×10?4N/m, What is the direction of the current in the second wire?
A clock has a pendulum that performs one full swing every 1.5 s (back and forth). What is the length of the pendulum
Tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once again by Jane. What is Jane's (and the vine's) angular speed
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