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Question: How much work is required to lift a 1 kg mass of fluid from the Earth's surface to an altitude of 10 km against the gravitational force? If all of this work is supplied by the initial kinetic energy of the fluid mass, then how fast must the mass have been moving initially?
Please show all intermediate steps and formulas for above question.
Upon entering material X, light slows down by 30% compared to its speed in vacuum. Compute the index of refraction of material X
What are the x-component and y-component of the velocity.
A magnetic feild has a magnitude of 1.2x10^-3 T, and an electric feild has a magnitude of a 4.6x10^3 N/C. Both feilds point in the same direction. A positive 1.8μC charge moves at a speed of 3.1 x10^6 m/s in a direction that is perpendicular to bo..
A 0.2 object is swung in a vertical circular path on a string 0.1 m long. The acceleration of gravity is 9.8 m/s^2. If a constant speed of 4.07 m/s is maintained, what is hte tension in string when the object is at the top of the circle? Answer in..
A ball is released from rest at t=0.3s on an inclined segement of track. The ball rolls down the incline onto a 2m section of level track and then continues down a second incline, find the speed of the ball on the level segment of track
Find the flux of Earth's magnetic field of magnitude 5.00 cross 10-5 T through a square loop of area 20.0 cm2 for the following when the field is perpendicular to the plane of the loop
An 805 kilogram race car can drive around an unbanked turn at a maximum speed of 56 m/s without slipping. Estimate the maximum speed if no down force acted on car
The practical limit for carbon-14 dating is about 60,000 years. If a bone contains 1.4 kg of carbon, and the animal died 55000 years ago, what is the activity today
A series RLC circuit has a 100 Ω resistor, a 0.10 µF capacitor and a 2.0 mH inductor connected across a 120 Volt rms ac voltage source operating at (1000/pi) Hertz. Obtain the resonant frequency of this circuit
A particular radioactive sample undergoes 3.60x10^6 decays/s. What is the activity of the sample in the following in curies
The atmosphere on Mars is almost all carbon dioxide (CO2), and has a pressure of about 6.9×102 Pa, what is the mass of one cubic meter of the atmosphere
In order to study the structure of a crystalline solid, you want toilluminate it with EM radiation whose wavelength is the same as thespacing of the atoms in the crystal (0.20 nm). What isthe frequency of the EM radiation?
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