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A 0.015 Kg record with a radius of 15 cm rotates with an angular speed of 33(1/3) rpm. Find the angular momentum of the record. In the first part of the problem if a 1.1 g fly lands on the rim of the record, what is the fly's angular momentum?
A cube of edge length a in free sapace is charged over its volume with a charge density p(x)=p0 *sin(pi*x/a), Compute the total charge of the cube
a proton and an electron are separated by 3.5 nm, what is the magnitude of the force on the electron and proton
a standing wave oscillating on a string at frequency f_0. How many antinodes will there be if the frequency is increased to 3f_0
What is momentum of a truck speeding down the highway at a given instant? Discuss how the momentum is changed if the truck loses some of its cargo while maintaining the same velocity.
assume a bar 2.5 m long expands 0.5 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated.
A beam of light enters a cube of flint glass (n = 1.65) at a 24 degree angle from the normal. Calculate the exact angles the light travels at
The plumbing in an old house uses lead pipes (which are now considered hazardous). what is the change in the length of the pipe
Evaluate maximum altitude?
A circus clown weighs 900 N. The coefficient of static friction between the clown's feet and the ground is 0.4. What is the minimum pulling force that the clown must exert to yank his feet out from under himself
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
What is the force exerted on beam by the fixture P (P is where the beam is attached horizontally to the brick wall) at the wall (magnitude and direction).
An electric eel develops a potential difference of 490V , driving a current of 0.85A for a 1.0 ms pulse. Find the total energy of this pulse
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