Question List for "Physics"

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Physics » A 22.0-kg mirror with a surface area of 1.0 m2 and a 98 reflectivity is bombarded by light of ... New
Started by tingc95
 43 Jul 29, 2018
Physics » A photocathode has a work function of 2.4 eV. The photocathode is illuminated with monochromatic ... New
Started by Starlight
 33 Jul 29, 2018
Physics » Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. If ... New
Started by ss2343
 88 Jul 29, 2018
Physics » How many photons per second emerge from a laser of power 2.00 mW with wavelength 605 nm? (c = 3.00 ... New
Started by maychende
 31 Jul 29, 2018
Physics » The number 0.00325 10-8 cm can be expressed in millimeters as A) 3.25 10-12 mm. B) 3.25 10-11 ... New
Started by jake
 17 Jul 29, 2018
Physics » A 450-kg sports car accelerates from rest to 100 km/h in 4.80 s. What magnitude force does a 68.0 kg ... New
Started by student77
 13 Jul 29, 2018
Physics » A Hydrogen atom is excited to the n = 11 level. Its decay to the n = 7 level is detected in a ... New
Started by notis
 25 Jul 29, 2018
Physics » Light shines through atomic Hydrogen gas. It is seen that the gas absorbs light readily at a ... New
Started by abarnes
 73 Jul 29, 2018
Physics » A vertical wire carries a current vertically upward in a region where the magnetic field vector ... New
Started by MirandaLo
 62 Jul 29, 2018
Physics » Express 50 mi/h in units of meters per second. (1 mi = 1609 m) A) 49 m/s B) 2.2 m/s C) 22 m/s ... New
Started by Shelles
 33 Jul 29, 2018
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