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A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). If you are driving this car in Europe and want to compare its mileage with that of other European cars, express this mileage in km/l (liter). If this car's gas tank holds 45 L,
What is the total displacement and the angle of displacement
What is the magnetic field strength. Consider a ladder 5 meters tall, and a 150 kg weight on top of it. The ladder is leaning against the wall.
How much work did movers do (horizontally) pushing a 140{rm kg} crate 10.60 m across a rough floor without acceleration, if the effective coefficient of friction was 0.700.
Suppose that you hear a clap of thunder 18.4 s after seeing the associated lightning stroke. The speed of sound waves in air is 343 m/s and the speed of light in air is 3.00 x10^8 m/s. How long are you from the lightning stroke.
Suppose that a police car on the highway is moving to the right at 29 m/s, while a speeder is coming up from almost directly behind at a speed of 31 m/s, which wave has the greater frequency
There is air on both sides of a soap film. What is the smallest thickness that the soap film (n=1.42) can have and appear bright if illuminated with 431?nm light
A 2.50 g bullet, traveling at a speed of 465 m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 275 g. What is the speed of the bullet/block combination immediately after collision.
One generator uses a magnetic field of 0.15 T and has a coil area per turn of 0.050 m2. What magnetic field should be used in the second generator, so that its peak emf is the same as that of the first generator
An interference experimental setup consists of two slits that are separated by 2 micro meter. What is the angle of diffraction for the second order dark fringe
Compute the mass of a ball and speed of a puck after collision.
A spherical surface completely surrounds a collection of charges. Find the electric flux (with its sign) through the surface if the collection consists of (a) a single +1.90 × 10-6 C charge, (b) a single -2.40 × 10-6 C charge, and (c) both of the ..
Suppose the skin temperature of a naked person is 34.3 °C when the person is standing inside a room whose temperature is 21.3 °C. Assuming the emissivity is 0.673, find the net loss of radiant power from the body
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