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The mass of the Earth is 5.98 ? 1024 kg, and the mass of the Moon is 7.36 ? 1022 kg. The distance of separation, measured between their centers, is 3.84 ? 108 m. Locate the center of mass of the Earth-Moon system as measured from the center of the Earth.
m from the Earth's center
A 54.2 g block of copper whose temperature is 400 K is placed in an insulating box with a 120 g block of lead whose temperature is 200 K. What is the change in the entropy of the system
A 3.60 {rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66 {rm kg} construction worker stands at the far end of the beam.
A jet airplane is in level flight. The mass of the airplane is m = 8850 kg. The plane travels at a constant speed around a circular path of radius R = 8.23 miles, What is the magnitude of the lift force acting on the plane
A solenoid is constructed with a total of 1500 turns wound around a length of 25 cm. A constant current of 1.7 A flows through the solenoid. Calculate the magnetic force on the proton
Two billiard balls are initially traveling toward each other at speeds of 1.05 m/s for ball 1 and 3.40 m/s for ball 2. Find their final velocities
A radioactive atom is moving with respect to the laboratory (which is the Earth frame) at the speed of 0.8c in the +x direction. determine the velocity of the electron measured by a laboratory observer
Two identical point charges are fixed distance from one another. If one of their charges was doubled an the other was halved, how would the electric force be affected.
In a series R-L-C circuit, L = 0.205H , C = 80.5?F and the voltage amplitude of the source is 260V, What is the resonance angular frequency of the circuit
A 200 lbs guy wants to slide down a plastic slide 24 ft long and on a 30 degree angle, after that the slide goes horizontally for 6 feet. Taking friction into consideration, how fast would he be going down the slide.
A space traveler weighs 565 N on earth. What will the traveler weigh on another planet whose radius is 3 times that of earth and whose mass is twice that of earth.
a 90kg box is pushed by a horizontal force F at a constant speed up a ramp inclined at 28 degrees. Determine the magnitude of the applied force
Illustrate what are these accounting shenanigans? Briefly explain each. Do internet research to answer the question.
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