Question List for "Physics"

Pages: 1 ... 62 63 [64] 65 66 ... 115
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Physics » An electron's de Broglie wavelength is 2.4 m. What is its speed? A) 3.0 102 m/s B) 2.5 105 m/s ... New
Started by jessicacav
 52 Jul 29, 2018
Physics » The spacing of the surface planes of a crystal is 159 pm. A beam directed normally at the surface of ... New
Started by wenmo
 48 Jul 29, 2018
Physics » An alpha particle is moving at a speed of 5.0 105 m/s in a direction perpendicular to a uniform ... New
Started by melina_rosy
 25 Jul 29, 2018
Physics » A Carnot air conditioner operates between an indoor temperature of 20C and an outdoor temperature of ... New
Started by swpotter12
 40 Jul 29, 2018
Physics » A firecracker explodes in midair and breaks up into many fragments. Which of the following ... New
Started by lb_gilbert
 22 Jul 29, 2018
Physics » At a certain time, the average size of a transistor in a microprocessor was 250 nanometers. A human ... New
Started by frankwu
 29 Jul 29, 2018
Physics » The Hope Diamond weighs 44.5 carats, and there are 200 mg per carat. What is the mass of the Hope ... New
Started by sjones
 127 Jul 29, 2018
Physics » A 35-mm camera equipped with a 40-mm focal length lens is used to photograph a tree 17 m tall. If a ... New
Started by danielfitts88
 107 Jul 29, 2018
Physics » A 35-mm single lens reflex (SLR) digital camera is using a lens of focal length 35.0 mm to ... New
Started by nmorano1
 73 Jul 29, 2018
Physics » Two uniform solid balls, one of radius R and mass M, the other of radius 2R and mass 8M, roll down a ... New
Started by kellyjaisingh
 94 Jul 29, 2018
Pages: 1 ... 62 63 [64] 65 66 ... 115