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Calculate the length R of the semimajor axis of a planet whose period is 165 years. Determine what the period of revolution of the Earth would be if its distance from the Sun were 2 AU rather than 1 AU. Assume that the mass of the Sun remains the same.
A puck on a horizontal frictionless table is attached to a string that passes through a hole in a table. Initially the puck rotates with a speed of 4m/s in a circle of radius 18.0 cm about the hole. The string is pulled downward through the hole unti..
A meter stick of mass 0.25 kg is mounted on a perpendicular axis at the 20 cm mark. Determine the angular acceleration of the ruler
A 17cm radius air duct is used to replenish the air of a room 7.1 m x 5.2 m x 4.5 m every 16 min. How fast does air flow in the duct
What is the final velocity of a hoop that rolls without slipping down a 3.00 m high hill, starting from rest
A standard nuclear power plant generates 2.4GW of thermal power from the fission of 235U. Experiments show that, on average, 0.19 u of mass is lost in each fission of a 235U nucleus.
A 3.8 kg box is sliding down a surface that is inclined downwards by 30° below the horizontal. How much energy of the box has been lost (dissipated) by the friction
a particle is moving in a simple harmonic oscillator potential vx kx22 x lt 0 but with infinite potential barrier at x
A 52.0 kg ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.0 turns each second. The distance from one hand to the other is 1.50 m. Biometric measurements indicate that each hand characterist..
Estimate the particle density necessary for bose-Einstein condensation of a hydrogen gas to occur at 100 nK. find the ratio of the thermal wavelength to the atom spacing
A projectile is fired in such a way that its horizontal range is equal to 2 times its maximum height. What is the angle of projection
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. What is the speed of the car just as it passes the train
The resistor is placed in a circuit such that 6.00 mA of current flow through it. If the resistor has an electron density of 2.39 times 1023 electrons/m3, what is the drift speed of the electrons?
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