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Two balls roll down a set of very low friction tracks, taking different paths, but ending at the same vertical height. The ball reaches the end of TrackBbefore it reaches the end of TrackA. Which ball is moving faster at the end of each track?
a) Ball on Track B. b) Ball on Track A.
c) Same for both.
d) Can't tell.
Suppose a block with mass 2.80 kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.440, Find the maximum static friction force that acts on the block
A very large number (N+1) polaroids are arranged in a sandwich.
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Determine the surface area and volume ratio for the three cubes. Which one if the most efficient in cellular morphology?
What is the current in milliamperes produced by the solar cells of a pocket calculator through which 4.00 C of charge passes in 4.00 h?
Consider a gas of neutrons in a nuclear reactor. The neutron density is 10^8 neutrons/cm^3 in an operating reactor which has a core temperature of 535K. Are the neutrons in the reactor core a classical gas or a quantum mechanical gas and how ca n yo..
The angle between the wall and A (top cable) is 30 degrees, the angle between the wall and B (bottom cable) is 60 degrees. Q is the variable pointing straight down, and P is the red vector pointing up and to the right at 75 lbs, 30 degrees above t..
A tuning fork vibrates at a frequency of 520 Hz. An out-of-tune piano string vibrates at528 Hz. How much time separates successive beats
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground
A system with a volume of 100L is initially empty, and then it is filled completely with water. What fraction of water exists as a liquid when 100kg are put into the system
The third dark fringe occurs at an angle of 30 degrees from the principle maximum in a single slit experiment. If the slit with is 2.5um, What is the wavelength of the light
A 2 feet diameter trommel screen is used to separate municipal refuse. Determine its critical speed
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