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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?
What is the minimum uncertainty in position, in nm, of an electron whose velocity is known to be between 2.30×105m/s
At a factory, a noon whistle is sounding with a frequency of 497 Hz. As a car traveling at 84km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the change i..
Calculate the angular momentum of Jupiter due to its orbital motion about the Sun. In your calculation, use 7.780 1011 m as the average Jupiter-Sun distance and 3.740 108 s as the period of Jupiter in its orbit
How many revolutions does wheel make throughout the time
A 2.0 cm tall object is placed 5.0 cm in front of a +12 diopter lens. What is the linear magnification
two polarizers are oriented at 72 degress to one another. Unpolarized light falls on them. What fraction of the light intensity is transmitted
A wheel initially rotating at an angular speed of 2.4 rad/s turns through 30 revolutions during the time, How long did the acceleration last
How many revolutions per minute would a 29 {rm m}-diameter Ferris wheel require to make for the passengers to feel "weightless" at topmost point.
A 4.4 cm radius ball rolls down an inclined plane from rest at the top. The angular acceleration of the rolling ball about its center is 185 rad/s^2, How long is the plane
A 3000 pound car crashes into a concrete jersey barrier moving 3 sections (totaling 12,000 pounds) laterally 24 inches. How fast was the car going on impact.
A 8 kg box slides d = 4.2m down the frictionless ramp, after that collides with a spring whose spring constant is 250 N/m. angle is 30 degrees.
A car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. Calculate the range of induced emf on the antenna
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