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Two satellites, A and B, are in different circular orbits about the earth. The orbital speed of satellite A is twelve times that of satellite B. Find the ratio (TA/TB) of the periods of the satellites.
Electromagnetic waves and sound waves can have the same frequency. What is the wavelength of 1.10 kHz ectromagnetic wave
Consider the nuclear reaction: (2/1)H + (9/4)Be --> (7/3)Li + (4/2) He. How much energy is liberated
A jet of water squirts out horizontally from a hole near the bottom of the tank, What is the height, h, of the water level in the tank
Radius of rotation of the hanging mass in apparatus in lab M20a is set to 10.0 cm. Determine the centripetal force and suspended mass
Smaller mammals use proportionately more energy than larger mammals; that is, it takes more energy per gram to power a mouse than a human. A typical mouse has a mass of 20 g and, at rest, needs to consume 3.0 Cal each day for basic body processes.
Perpetual motion machines have fascinated people especially inventors for hundreds of years before the laws of thermodynamics became known. Ideally, once energy is added to start a perpetual motion in machine, the machine would continue to operate..
Find the minimum diameter of an l = 16.3 m long steel wire that will stretch no more than 7.39 mm when a mass of 343 kg is hung on the lower end
Express your reply in terms of the cylinder's radius r and the magnitude of the acceleration because of gravity g.
Consider a Carnot engine that works between thermal reservoirs with temperatures of 1030.0 K and 297.0 K. How much energy is delivered to the cooler reservoir
A skydiver reaches a "terminal velocity" of 120 km/h. If the skydiver has a mass of 59kg, what is the magnitude of the upward force on the skydiver
A resistor draws 12mW when placed acriss the terminals of a 1.5V battery, Determine the current drawn by the resistor
The telescope at a small observatory has objective and eyepiece focal lengths respectively of 20.0 m and 12 cm. determine length of the barrel of the telescope
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