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Two particles lie on an x axis, particle 1 at x = 1 m and particle 2 at x = 2 m. If you gradually increase the mass of particle 2, what happens to the center of mass of the two-particle system?
Apollo 11 (total mass 43,100 kg) was in an orbit 11 km above the surface of the moon. What was the speed of Apollo 11 while it was orbiting the moon
A pendulum clock keeps time by the swinging of an attached mass at the end of a massless string of length L, What is the angular position of the mass at t = 0.246s
A spherical Christmas tree ornament is7.18 cm in diameter.What is magnification of the image ofan object placed 8.6 cm away from the ornament.
A block with mass m = 4 kg is sitting on the ground and not moving. The acceleration due to gravity is g = 9.81 m/s2. Please answer the following questions.
Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 27.0 m/s, assuming 83.0% of the rotational kinetic energy can be transformed into translational energy
A system consisting of an ideal gas at the constant pressure of 120kPa gains 800J of heat, Find the change in volume of the system
A space station is constructed in the shape of a hollow ring of mass 5.90 104 kg and radius 140 m. The station has 300 crew members (each with average mass 65kg), How much work is done to get the space station spinning
A racer starts her car from rest and accelerates at 10m/s2 for a distance of 400m (1/4mi)
Place a sheet of paper under a medium-sized book lying on a smooth tabletop or desktop. Which objects move the least when the paper is pulled rapidly
What is he wavelength of a 22.75*10^9 Hz radar signal. What is the frequency of an X-ray with wavelength 0.12nm
An object's true weight is 123 N. When it is completely submerged in water, its apparent weight is 82 N. what is the density of the object
An air bubble has a volume of 1.80 cm3 when it is released by a submarine 120 m below the surface of a lake. Find the force exerted by the gas on one of the walls of the container
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