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Work of 1500 J is done on an ideal gas, but the internal energy increases by only 800 J. What is the amount and direction of heat flow into or out of the system?
You are on a cruise ship traveling north at a speed of 13.0 m/s with respect to land. If you walk north toward the front of the ship, with a speed of 2.7 with respect to the ship, what is your velocity with respect to the land
A solid sphere (M=2.0 kg and R=0.5 m) is rolling without slipping on a horizontal surface at speed vcm=4.3 m/s, How high will it go on the incline before it rolls down
A fireman 46.0 m away from aburning building directs a stream of water from a ground-level firehose at an angle of 30.0° above the horizontal. If the speed of thestream as it leaves the hose is 40.0 m/s, at what height will the stream of water strike..
A 2.60-g lead bullet at 28.0°C is fired at a speed of 230 m/s into a large block of ice at 0°C, in which it becomes embedded. What quantity of ice melts
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.55 104 m/s, and the radius of the orbit is 5.40 106 m. What is the orbital speed of the second satellite
The angle of elevation theta is increased slowly from the horizontal. Illustrate at what value of theta does the block begin to slide (in degrees)?
A camera is supplied with two interchangeable lenses, whose focal lengths are 42.0 and 180.0 mm. What is the height (including sign) of her image on the image sensor
question how fast can you set the earth moving? in particular when you jump straight up as high as you can what is the
A laser beam of unknown wavelength passes through a diffraction grating having 5510lines/cmafter striking it perpendicularly. At what angle will the next pair of bright spots occur
You select a rental package that includes a car with an average consumption of 6.00 liters of fuel per 100 km. how much (in US dollars) will you spend in fuel on your trip
An electron that has an energy of approximately 2.0e+01 eV moves between rigid walls 1.8 nm apart. Find the precise energy of the electron
A father and a daughter balance a teeter-totter to illustrate the principle of the lever. If the father whose weight is 150 N is 8 m from one end, how far away on the opposite side of the fulcrum should the 50-N daughter stand to balance the teeter-t..
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