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Is there an equation that takes all of the information given below into account? a horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axel through the center of the disk. the platform has a mass of 150 kg a radius of 2m and a rotational inertia of 30 kgm about the axis of rotation
The sun's mass is 1.99 x 10^30 kg, the earth's mass is 5.98 x 10^24 kg, and the moon's mass is 7.36 x 10^22 kg. The average distance between the moon and the earth is 3.82 x 10^8 m, and the average distance between the earth and the sun is 1.50 x ..
A 5.0kg block is put on top of a 7.0kg block. To cause the top block to slip on the bottom one, while the bottom one is held fixed, Find the resulting acceleration of the blocks
A metallic sphere has a charge of +3.7 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 7.2 109 electrons are transferred. What are the charges of the sphere and the rod now?
Standing on the surface of a small spherical moon whose radius is 5.71·104 m and whose mass is 6.71·1018 kg, an astronaut throws a rock of mass 1.85 kg straight upward with an initial speed of 28.5 m/s.
A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.50 m/s collides head-on with a 0.84 kg ball at rest. If the collision is perfectly elastic, what will be the speed and direction of each ball after the collision?
The mass of Saturn is 95.2000 times that of earth, and its radius is 9.130 times that of earth. Calculate the acceleration of gravity at the surface of Saturn. Express your answer in g's (i.e. as a ratio to our acceleration of gravity).
A hockey puck slides over ice with ?k = 0.013. What initial speed should the puck have so it travels the 40m length of the rink
Finally a thin rod of mass 7 kg is added between the two particles Since the particles are moving perpendicular to the line separating them, What the angular frequency of rotation of the rod + particles system
Two space walkers, one with a mass of 77 kg and the other with a mass of 78 kg, hold on to the ends of a lightweight cable 14.5 m long. how far will the less massive astronaut move
The cockroach finds a bread crumb on the rim and, of course, stops. What is an angular speed of the lazy Susan after the cockroach stops.
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 350 K is heated at constant volume to 700 K, What is the efficiency of the cycle
A nuclear power plant has a maximum steam temperature () of 280degrees C. It produces 790MW of electric power in the winter, when its is effectively -7 degrees C . If its summertime is 40 degrees C, what's its summertime electric power output, assumi..
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