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Where would you expect to find stars with the highest proportions of elements heavier than hydrogen and helium?
The femur is a bone in the leg whose minimum cross-sectional area is about 3.60 multiply.gif 10-4 m2. Find the maximum stress that this bone can withstand
a father racing his son has half the kinetic energy of the son who has half the mass of the father.the father speeds up
a new material for possible use in photovoltaic cells has an energy gap eg of 1.06 ev. what is the maximum wavelength
A bowling ball with a diameter of 21.9cm is rolling down a level alley surface at 12.1m/s without slipping. how far up the incline will it travel before it stops
A coin is thrown vertically down into a well with an initial velocity of 2.5 m/s. What is the velocity of the coin
A mass spectrometer applies a voltage of 2.00 kV to accelerate a singly charged positive ion. What is the mass of the ion
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 8.5×10^?3 m/s^2 less than that at sea level. What is the observatory's altitude
In the Bohr model of the hydrogen atom an electron (charge e =1.6 x 1019 Coulomb) rotates around the nucleus in a circular orbit of 0.5 x 10-10 m. Find the time it takes for the electron to rotate once
a high-performance dragster with a mass of m 1172 kg can accelerate at a rate of a 31.5 ms2part a write an expression
question a satellite photographs a path on the surface of the earth that is 1800 miles wide. find the central angle
Name the subtype of equilibrium (out of thermal, phase, mechanical and chemical equilibriums) that is at play in the following situations? A) Vapor floating over the surface of a lake on a cold winter morning. (4) B) Measuring the temperature of a..
A parachutist jumps from a balloon at the edge of space (therefore there is no air resistance). Find what is the speed of the parachutist by the time the parachutist gets down to an elevation of 10,000 meter above the ground
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