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A 20 kilogram greased pig is at the top of a 3.2 meter high frictionless hill moving with a speed of 6.0 m/s. Determine what is the pig speed when it gets to the bottom of the hill? Use energy conservation, include units in your answer, and feel free to use g=10.0N/kg here.
An AC generator is to have a maximum output of 318 V. Each coil has an area of 0.137 m2 and a resistance of 16.9 ?, How many turns of wire should the coil have to produce the desired emf
a uniform thin rod of length 0.50 m and mass 4.0 kg can rotate in a horizontal plane about a vertical axis through its center. what is the magnitude of the bullet's velocity just before the impact
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 7.948 g, is pressed into a leaf of 1.547 m thickness.
A Ferris wheel is moving at an initial angular velocity of 1.0 rev/54s. If the operator then brings it to a stop in3.4min, what is the angular acceleration of the Ferris wheel
A laser is mounted on a table 1.00m above the ground, pointed at a vertical mirror a horizontal distance 3.48maway. At what height does the reflected beam strike the wall
Two stars 19 light-years away are barely resolved by a 165 cm (mirror diameter) telescope. How far apart are the stars
A block of mass 8.4 kg is pulled along a horizontal frictionless floor by a cord, What is the magnitude of the normal force exerted on the mass by the floor
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of2.03mT. If the speed of the electron is1.53107m/s, determine the following. the radius of the circular path
a water tank in the shape of a circular cone has a base radius of 8 ft. and a height of 9 ft. and is supported is such
A particle of mass 3 kilogram is attached to the end of a ring of length 4meter, whose other end is fixed. determine the tension in the string at the instant of projection
a uniform 2.8 magnetic field points to the right a 2.19 m long wire carrying 21.8 a is placed at an angle of 23
After a day of testing race cars, you decide to take your own 1580kg car onto the test track. While moving down the track at 10.0 m/s, you uniformly accelerate to 28m/s in 10 s. What is the average net force that you have applied to the car throug..
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