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The density of petrol is 730 kg/m^3 at 0 degrees C. Its average coefficient of expansion is 9.60 * 10^-4 degrees C. Assuming you have a 45 litre full tank, how many extra grams of petrol would you get if you filled up with petrol at 0 degrees C rather than at 20 degrees C from a pump that is not temperature compensated?
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance of 1 m from the end of the track after falling the vertical distance 1.25 m from the end of the track.
You are given a spherical mirror and wish to determine its properties. You place an object on its axis, Find the mirror\'s focal length
A coil consists of 212 turns of wire. Each turn is a square of side d = 18 cm, compute the magnitude of the induced emf in the coil
For a damped oscillator with a mass of 290 g, a spring constant 80 N/m and a damping coefficient of 57 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 26 cycles.
The magnitude of each force is 204 N, the force on the right is applied at the angle 29 and the mass of the block is 12kg. The coefficient of friction is 0.138. The acceleration of gravity is 9.8 m/s2. What is the magnitude of the resulting accelerat..
A cylindrical 98.50 ? resistor is made from a coil of copper wire whose total mass is 74.0 g, What is the diameter and lenght of the wire
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity, What is the maximum acceleration that the plane can have without the cup sliding backward on the table
Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
A 300 kg piano slides 4.50 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
Assume the masses described in the preceding problem are 1kg and 100kg in that order. Compare the accelerations while they are interchanged.
A 131 kg sign hangs between two buildings by two cables. Cable 1 is attached at a 36 degree angle wrt to the horizontal, and Cable 2 is attached at a 24 degree angle wrt to the horizontal. What is the tension in cable 1.
he rest energy of an electron is 0.511 MeV. The rest energy of a proton is 938 MeV. Assume both particles have kinetic energies of 2000 MeV. Find the speed of the proton
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