Physics, 30.12.2019 22:31 soldierboy771
A9 × 1014 hz laser emits a 8.8 μs pulse, 5.0 mm in diameter, with a beam energy density of 0.8 j/m3. the number of wavelengths in the length of the beam is closest to?
Answers: 1
Physics, 22.06.2019 18:00
What structural formula represents 4 electrons shared between two atoms?
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Physics, 23.06.2019 03:00
The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.
Answers: 3
Physics, 23.06.2019 09:00
Choose the correct general statement concerning the total potential and kinetic energy at any point along the arc of swing. the total energy at any point along the arc of swing of the pendulum is always less than 12 joules. the total energy at any point along the arc of swing of the pendulum is always more than 12 joules. the total energy at any point along the arc of swing of the pendulum is always equal to 12 joules. not enough information to determine
Answers: 1
A9 × 1014 hz laser emits a 8.8 μs pulse, 5.0 mm in diameter, with a beam energy density of 0.8 j/m3....
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