Physics, 31.07.2019 01:00, shaffergabe10
How much work is done by a 32 n force pushing a pencil 0.43 m?
Answers: 1
Physics, 21.06.2019 18:10, eweqwoewoji
Scientists use laser range-finding to measure the distance to the moon with great accuracy. a brief laser pulse is fired at the moon, then the time interval is measured until the "echo" is seen by a telescope. a laser beam spreads out as it travels because it diffracts through a circular exit as it leaves the laser. in order for the reflected light to be bright enough to detect, the laser spot on the moon must be no more than 1.0 km in diameter. staying within this diameter is accomplished by using a special large-diameter laser. part a if λ = 540nm , what is the minimum diameter of the circular opening from which the laser beam emerges? the earth-moon distance is 384,000 km. express your answer to two significant figures and include the appropriate units.
Answers: 1
Physics, 21.06.2019 22:30, lafuiciosa10
How have the competing explanations' experiments on atoms affected the development of the atomic model?
Answers: 1
Physics, 22.06.2019 10:30, sakotaco3455
In science and physics what is the standard unit of measure for speed?
Answers: 1
How much work is done by a 32 n force pushing a pencil 0.43 m?...
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