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A simple pendulum 89.5cm in length requires 10.70 minutes to make 285 complete swing. how long would a simple seconds pendulum be at the same location?
among the most controversial topics in physical science global warming has received a great deal of attention during
Light of wavelength 530 nm is incident normally on a diffraction grating. Two adjacent maxima occur at angles given by sinθ = 0.2 and sinθ = 0.3, respectively. What is the separation between adjacent slits
A proton of charge Q = 1.6x10-19 C and mass m = 1.67 x 10-27 kg is accelerated from rest through a potential difference of 3340 V. What is the final speed of the proton
You connect a number of identical light bulbs to a flash-light battery. a) What happens to the brightness of each bulb as more bulbs are added to the circuit if you connect them (i) in series and (ii) in parallel?
Suppose that an electron is a small spherical shell of mass m with a charge e spread over its surface. Show that the ratio of the magnetic moment to the angular momentum of such an electron would be e/2m, whether the electron is (a) moving in a ci..
a six-sided die has a positive charge in the center of each face and a negative charge embedded in the center. the
the positron is a particle with the same mass as an electron but charge e. a positron in a bubble chamber moves
An 18 g rifle bullet travelling 180m/s buries itself in a 3.6kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Verify the horizontal component of the pendulum's displacement.
a single conducting loop of wire has an area of 7.1times10?2 m2 and a resistance of 120 ohms. perpendicular to the
Find the speed of light observed coming from a star if the star is moving toward us at half the speed of light
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
An underwater diver sees the sun 50 degrees above horizontal. How high is the sun above the horizon to a fisherman in a boat above the driver.
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