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Determine the orbital speed of a satellite that circles the Earth with a period of 2.50 104 s. The mass of the Earth is 5.97 1024 k?
A parallel-plate capacitor is constructed with circular plates of radius 6.5×10?2 m . The plates are separated by 0.21 mm, find the value of the dielectric constant
Unpolarized light with an intensity of 275 W/m2 passes by the two polarizers whose transmission axes are at an angle of 30.0° with respect to each other. What is an intensity of the light transmitted through both polarizers.
a meter rule hangs motionless supported at 30cm mark. It has a 0.02kg mass hanging from the 0meter mark
at rest, a light source emits 532 nm light. as it moves along a line connecting it and Earth, observers on Earth measure the wavelength to be 412 nm. What is the sources velocity and direction? Were it to move in opposite direction at the same spe..
A car in stop-and-go traffic starts at rest, moves forward 19 in 8.0 , then comes to rest again. The velocity-versus-time plot for this car is given in the figure. What distance does the car cover in the first 4.0 seconds of it motion?
A 0.45kg mass is attached to a spring with a force constant of 21N/m and released from rest a distance of 3.6cm from the equilibrium position of the spring, How far is the mass from the equilibrium position
An ancient club is found that contains 120.00 g of pure carbon and has an activity of 7 decays per second. Determine its age assuming that in living trees the ratio of 14C/12C atoms is about 1.10x10-12. Note that half life of carbon-14 is 5700 yea..
A 196.3 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the satellite in orbit is 40.1 N
Write a complete set of equations from Kirchhoffs for the circuit -
A 40.0-gram projectile is launched by the expansion of hot gas in an arrangement shown in part (a) of the figure. The cross-sectional area of the launch tube is 1.0 cm2.
Find the critical angle of incidence for a ray of light going from a diamond to air
A parallel-plate capacitor has fixed charges +Q and -Q. By what factor does the energy stored in the electric field change
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