Physics, 19.07.2021 18:40 josuemarquezz27
A low-power laser used in a physics lab might have a power of 0.50 mW and a beam diameter of 3.0 mm. Calculate:a. The average light intensity of the laser beam. b. The intensity of a lightbulb producing 100-W light viewed from 2.0 m. c.Compare the intensity of the laser to the intensity of the lightbulb. Is it advisable to look directly at a laser
Answers: 2
Physics, 21.06.2019 21:20
An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.
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Physics, 22.06.2019 07:00
Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
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Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
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A low-power laser used in a physics lab might have a power of 0.50 mW and a beam diameter of 3.0 mm....
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