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A CD (radius 6.0cm) is spinning freely with an angular velocity of 400 rpm when a bug drops onto the CD a distance of 4.5cm from the center. If the CD slows to 300 rpm, what is the ratio of the bug's mass to the mass of the CD?
A 1-megabit computer memory chip contains many 60.0 fF capacitors. Each capacitor has a plate area of 21.0x10-12 m2. Express the plate separation in nanometers
A massless spring of length b and spring constantk connects two particles of masses m1 andm2. Determine Hamilton's equation of motion
Starting from rest, a boat increases its speed to4.12 m/s with constant acceleration. What is the boat's average speed? If it takes the boat 4.62 s to reach this speed, how far has it traveled?
find an article on a current event related to macroeconomics. briefly summarize the article and state how a concept in
an entertainer juggles balls while doing other activities. in one act she throws a ball vertically upward and while it
A 15 kg disk of radius 1 m is spinning at a rate of 4 rotations per second. What is its moment of rotational inertia
An object 0.600cm tall is placed 16.5cm to the left of the vertex of a concave spherical mirror having a radius of curvature of 24.0cm. Determine the orientation of the image
a solid wood door 90 cm wide by 2.00 m tall has a mass of 35.0 kg. it is ajar and at rest. a ball with a mass of 500 g is thrown perpendicular to the door with a speed of 20.0 m/s, how much energy is lost in the process
A room has a volume of 128 m3. An air-conditioning system is to replace the air in this room every twenty-three minutes, find the length of a side of the square
A light ray travels through medium #1 and crosses a boundary into water at an indicent angle of 21.8 degrees. what is the energy of one photon of this light
how long must the engine burn in order to reach this speed. What will be the equilibrium temperature when a 259 block of copper at 258 is placed in a 137 aluminum calorimeter cup containing 836 of water at 16.
find the angular speed after the grindstone. what must be its minimum mass so that material on its surface remains in place during the rapid rotation.
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