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A gasoline engine with an efficiency of 0.4 generates 1800 W of power. If a liter of gasoline has an energy content of 3.7*10^7 J, how many liters of gasoline does the engine consume each hour? Please show all work, Thank You
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
The output voltage of an AC generator is given by ?v = (120 V) sin (80?t). The generator is connected across a 21.0-? resistor. Find the maximum current in the resistor
A 4.7×10?2-T magnetic field passes through a circular ring of radius 2.8cm at an angle of 14?with the normal, Find the magnitude of the magnetic flux through the ring
A doubly charged helium atom whose mass is 6.6 10-27 kg is accelerated by a voltage of 2500 V. What is its period of revolution
How much force is needed to hold a 7.0 cm diameter hose delivering 440 L/min through a 0.73cm diameter nozzle.
While surveying a cave, a spelunker follows a passage 190{\rm m} straight west, find the magnitude and direction of the fourth displacement
A rod 14 cm long is uniformly charged and has a total charge of -22 c. resolve the magnitude and direction of the electric field all along the axis of the rod at a point 36.0 cm from its center.
A uniform-density 8 kg disk of radius 0.20 m is mounted on a nearly frictionless axle. Initially it is not spinning. A string is wrapped tightly around the disk, and you pull on the string with the constant force of 45 N through a distance of 0.7 ..
An airoplane takeoff speed is 320km/h. if its average acceleration is 2.9m/s^2, how long is it on runway after starting its takeoff roll.
Calculate the thermal de Broglie wavelengths for helium-4 (boson) and helium-3 (fermion) gases at T = 5K
you are on a plane that leaves DIA and flies 170 km at 68 east of north and then changes direction to fly 230 km at 48 south of east, after which it makes an emergency landing in a pasture next to a large herd of buffalo.
A person with mass m1 = 60 kg stands at the left end of a uniform beam with mass m2 = 91 kg and a length L = 3.2 m, What is the location of the center of mass of the system
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