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You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 46.6 C. The only thermometer you can find at your workbench reads in degrees Fahrenheit. If the initial temperature of the sample is 67.7 F, what is its temperature in degrees Fahrenheit when the desired temperature increase has been achieved?
A car traveling at a speed of 18 m/s crashes into a solid concrete wall. The driver has a mass of 90 kg. What is the change in momentum of the driver as he comes to a stop
A 100 kg crate is pushed at constant speed up the frictionless 31° ramp shown in the figure. What horizontal force F is required
in a hydraulic system comprised of a reservoir and a pump which is 4 ft above the oil level what would be the pressure
q1. how numerous years would it take a thermally insulated one-million-kilogram chuck of granite to undergo a 1000k
The distance to the Andromeda Galaxy is estimated at about 2 x 10(6) light years. A light year is distance traveled by light in one year; if the speed of light is 3 x 10(8) m/s, about how far is it from our galaxy to Andromeda? (1 year =3.15 x 10(..
The nearest star to Earth is Proxima Centauri, 4.3 light years away. How long does the trip take according to Earth observers
A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5 730 yr) for every 7.70 1011 stable carbon atoms. Find the number of carbon atoms in the sample
A stone tosses at an angle of 60 degrees to the horizontal from the roof of a building at 10 m/s hits the ground in 3s. how far from the building did it land
A farsighted woman breaks her current eyeglasses and is using an old pair whose refractive power is 1.750 diopters. How far is her near point from her eyes
A 180-turn circular coil has diameter 5.40 cm and resistance 1.05 \Omega. Find the induced current in the coil
A step-down transformer produces a voltage of 7.0V across the secondary coil when the voltage across the primary coil is 120V. What voltage appears across the primary coil of this transformer if 120V is applied to the secondary coil?
The maximum speed of a 3.5-kg mass attached to a spring is 0.67m/s , and the maximum force exerted on the mass is 11N. What is the frequency of this system
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