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Your roommate is working on his bicycle and has the bike upside down. He spins the 58.0cm -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second.
1. What is the pebble's speed?
2. What is the pebble's acceleration?
A straight 1.71 m long copper rod is moved perpendicularly across a uniform 0.90 T magnetic field. If a constant potentialdifference of 1.49 V appears across its end, how much time will ittake to traverse the 1.50 m long magnetic field region?
A particle in a 436 m long particle accelerator is moving at 0.875 c. How long does the particle accelerator appear to the particle
A particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 m/s in the x direction along the line y = 5. What is its angular momentum (in kg×m2/s) relative to the origin
two parallel plates each having area a 2157.0cm2 are connected to the terminals of a battery of voltage vb 6.0 v. the
Nuclear fusion offers the promise of unlimited energy to mankind. How is fusion different from fission? Where do on-going fusion reactions occur? Is the development of fusion as an energy source worth the risk? What are the risks?
What is the result of mixing 80g of ice at -20 degrees Celsius, into a 200g of water at 20 degrees Celsius?
Unpolarized light is incident on three polarizers: The first making an angle of 0 degrees with the vertical; If the initial intensity is 1353 W/m2 and the final intensity is 108 W/m2, to the nearest tenth of a degree what is the angle of the middle ..
A solid sphere 24 cm in radius carries 24 \muC, distributed uniformly throughout its volume. Discover the electric field strength 24 cm from the sphere's center. Discover the electric field strength 14 cm from the sphere's center.
The far point of a nearsighted person is 5.1 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
two very long coaxial conducting cylindrical shells have a potential difference 800 v. the inner cylinder has radius
A playground carousel is rotating counterclockwise about its center on frictionless bearings. Determine the final angular speed of the carousel after the person climbs aboard
A transparent oil with index of refraction 1.28 spills on the surface of water (index of refraction 1.33), determine the thickness of the oil slick
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