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Question: An observer moving toward Earth with a speed of 0.95c notices that it takes 6.0 min for a person to fill her car with gas. Suppose, instead, that the observer had been moving away from Earth with a speed of 0.80c.
Part A- How much time would the observer have measured for the car to be filled in this case?
Please explain how you came to your conclusion. Thank you.
if a 1 micro-coulomb charge is next to a 4 micro-coulomb charge the magnitude of the repulsive force on the 1
The gravitational constant would be easy to gauge if ordinary matter were denser. What would the density of a sphere of radius 1.18 m have to be in order to produce a gravitational acceleration of 1.02 m/s2 at the surface of the sphere?
Two 63 g ice cubes aredropped into 260 g of water in athermally insulated container. If the water is initially at25°C, and the ice comes directly from a freezer at -15°C,what is the final temperature at thermal equilibtrium? (Neglect the heat capa..
67.34 J of heat are removed from a gas sample while it is being compressed by a piston that does 62.39 J of work
You exert a force as shown in the diagram to push a large crate of books (about 1 m high, m = 45.0 kg) across a rough floor at constant speed v = 0.650 m/s. Find the rate at which work is done by you
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question1a loudspeaker of mass 22.0 kg is suspended a distance of h 2.20 m below ceiling by two cables that make equal
Two 1.7 kg masses are 1.5 m apart on a frictionless table. Each has + 9.7 mu C of charge.What is the magnitude of the electric force on one of the masses?
A soccer ball leaves the foot of a player with an intitial velocity of 22 m/s at an angle of 30 degrees above the positive x-axis
A wheel (radius = 14 cm) is mounted on a frictionless, horizontal axle that is perpendicular to the wheel and passes through the center of mass of the wheel, find the moment of inertia (of the wheel) about the given axle
calculate the work done by a person pulling a 50kg sled, at constant velocity, along the snow at an angle of 50 degrees from vertical for 5m
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