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A car is traveling along a straight level road in the x direction at 100 km/hr. The diameter of the tire is 500mm, and it rolls on the ground without slipping.
1. What is the velocity of the top of the tire in m/sec?
2. What is the velocity of the bottom of the tire in m/sec?
3. What is the velocity of the center of the wheel in m/sec?
4. What is the velocity of the rear edge of the tire in m/sec?
5. What is the velocity of the front edge of the tire in m/sec?
A freight train has a mass of 1.8 x 107 kg. If the train can exert a constant pull of 7.8 x 105N, find how long does it take to increase the speed of the train
suppose 4.00 g of hydrogen is separated into electrons and protons. suppose also the protons are placed at the earths
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A prism of bate length 10 mm in a spectrometer gives a resolution of R=500 at a wavelength of 500 nm. If the prism refractive index is 1.5 at 500 nm, what is the prism refractive index at 501 nm?
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