Two asteroids head straight for earth from the same
Two asteroids head straight for Earth from the same direction. Their speeds relative to Earth are 0.79c for asteroid 1 and 0.60c for asteroid 2. Find the speed of asteroid 1 relative to asteroid 2.
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a collimated gamma ray beam consists of equal numbers of 01 mev and 10 mev photons if the beam enters a 5 cm thick lead
assuming the specific heat of the body is the same as water calculate the temperature rise due to a total body dose of
calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density
two polarizers are out of alignment by 30deg if light of intensity 757 wm2 and initially polarized halfway between the
two asteroids head straight for earth from the same direction their speeds relative to earth are 079c for asteroid 1
for the infinite square well problem an electron spends 40 of its time in the n3 state and 60 of its time in the n5
suppose that in a hypothetical oil-drop experiment you measure the following values for the charges on the drops
for n2 at 25oc and 100 atm calculate the number of collisions per second made by one molecule the number of collisions
the top of pikes peak is 14100 ft above sea level neglecting the variation of t with altitude and using the average
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