Physics, 16.03.2020 18:04, christianhernan2
Two identical silver spheres of mass m and radius r are placed a distance R (sphere 1) and 2R (sphere 2) from the Sun, respectively. The ratio of the gravitational force exerted by the Sun on sphere 1 to the pressure of solar radiation on sphere 1 is T1; the ratio for sphere 2 is T2. The ratio of T2 to T1 is ___.
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Physics, 21.06.2019 23:30, reggiegilbert1995
Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
Answers: 1
Physics, 22.06.2019 14:30, samone26
Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates
Answers: 3
Physics, 24.06.2019 03:50, cuhh
Review light from a helium-neon laser (λ = 633 nm) is used to illuminate two narrow slits. the interference pattern is observed on a screen 3.5 m behind the slits. twelve bright fringes are seen, spanning a distance of 51 mm .what is the spacing (in mm) between the slits? express your answer using two significant figures. d =
Answers: 1
Two identical silver spheres of mass m and radius r are placed a distance R (sphere 1) and 2R (spher...
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