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A student places her 350 g physics book on a frictionless table. She pushes the book against a spring, compressing the spring by 4.0 cm, then releases the book. What is the book's speed as it slides away? The spring constant is 1250 N/m.
_________m/s
The specific heat of ice to is 2100 and the heat of fusion for ice is . How much time passes before ice starts to melt? From the time while the heating begins, how much time does it take before the temperature begins to rise above 0.
Calculate the specific heat of a metal from the following data. A container made of the metal has a mass of 3.3 kg and contains 15 kg of water. A 1.0 kg piece of the metal initially at a temperature of 170°C is dropped into the water
You are traveling in a convertible with the top down. The car is moving at a constant velocity of 12.8 m/s, How far has the car moved when you get a chance to catch the tomato
A line in the x-ray spectrum of gold has a wavelength of 18.5 pm(=18.5x10^12 m), What is the energy of the lower stationary state
Analyze Trial Balance and indicate possible adjusting entries that might be necessary before an accurate set of financial statements could be prepared.
Find out an average acceleration of the motorcycle
A pair of flat mirrors meet to form a right angle. A beam of light is incident on one of them at a point 11.5 cm from their point of intersection, what is the angle of incidence at the first mirror
A pair of speakers separated by 0.820 m are driven by the same oscillator at a frequency of 652 Hz. An observer originally positioned at one of the speakers begins to walk along a line vertical to the line joining the speakers.
Zach, whose mass is 64kg , is in an elevator descending at 10m/s. What is Zach's apparent weight while the elevator is braking
A 10 N force acts on 5 kg object for 2.0s. What is the impulse of the force on the object, What is the change in momentum of the object
Three point charges are located near a spherical Gaussian surface of radius R = 6 cm. What is the electric flux through this surface
After a plant or animal dies, its 14C content decreases with a half-life of 5730 years. what is the age of the ancient site
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