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Question: A 2.0 kg, 20-cm-diameter turntable rotates at 100 rpm onfrictionless bearings. Two 500 g blocks fall from above, hitthe turntable simultaneously at opposite ends of a diagonal, andstick
What is the turntable's angular velocity, in rpm, just after this event?
The rear axle of a truck is 2.5 m long. If the truck is moving at 28 m/s and the vertical component of the earth’s magnetic field is 3.2 *10^-5T, what emf is induced between the ends of the axle?
A 0.074-T magnetic field is typical near household magnets. What volume of that magnetic field contains 1.1 J of energy?
Derive an expression for the wavelength of light that will vibrationally excite the harmonic oscillator from any quantum level
The distance between two telephone poles is 31 m. When a 1.25 kg bird lands on the telephone wire midway between the poles, the wire sags 0.116 m. How much tension in the wire does the bird produce
What percentage of an initial sample of 131I remains after 20.0 days?
An air pocket is insrted between a plastic slide with an index of 1.42 and a glass slide with an index of refraction 1.61. if we light 500nm, is the,light incident on the air stuck between the plastic slide and glass slide initially out of phase (d..
An outdoor circular fish pond has a diameter of 4.00 m and a uniform full depth of 1.70m. How far away from the edge of the pond is the person
What is capacitance a measure of, physically? Describe a typical RC circuit. Explain how voltage measured across a capacitorchanges in time, both when the capacitor is charging and discharging. What are theequations that describe this?
a 62.9 kg astronaut is on a space walk when the tether line tothe shuttle breaks. find the final speed of the astronaut after throwing the tank
A paperweight consists of a 9.00-cm thick plastic cube. Within the plastic a thin sheet of paper is embedded, what is the index of refraction of the plastic
A wheel rotating about a fixed axis through its center has aconstant angular acceleration of 1.8 rad/s2. In acertain 5.0 s interval the wheel turns through an angle of 47.5rad. (a) What is the angular velocity of the wheelat the start of the 5.0 s ..
A 0.430-kg block is attached to a horizontal spring that is at its equilibrium lenght , and whose force constant is 20.0N/m. The block rests on a frictionless surface. A 0.0500-kg wad of putty is thrown horizontally at the block, hitting it with ..
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