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The total load on a 10 cm radius ring with a homogeneous load distribution is 75microC. Determine the electric field 5 cm from the center of the ring on the ring axis (x axis).
The mass of the Space Shuttle orbiter is 8.8 x 104 kgand the period of its orbit is 82 minutes. Estimate thekinetic energy of the orbiter and the work done on it by gravitybetween the launch and orbit.
1.collect 10 resources other than your textbook from popular science magazines including discover scientific american
Consider a neutron star whose mass is twice the mass of the Sun and whose radius is 14.1 km. What is the radius of the geostationary orbit for this neutron star
The potential energy of a system of two charges (q1 = 5.0 µC and q2 = 3.3 µC) is 0.37 J. What is the distance between the charges
In a lightening bolt, current travels upward, from ground to cloud.Suppose that at the moment that a 35,000, what is the magnitude and direction of the magnetic force on the airplane
In Stanford University's Linear Accelerator Machine, electrons are accelerated to a kinetic energy of 50 billion eV. The electron path in the accelerator is 3 km. The speed of these electrons turns out to be about 1.6 cm/s slower than speed of light.
Light from a He-Ne laser (= 632.8) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.10 from the slits. The figure shows the interference pattern observed on the screen.
When a 57 gram piece of aluminum at 100 degrees Celsius is placed in water it loses 735 calories of heat while cooling to 30 degrees Celsius.
Transform these lengths to the observers' frame of reference. Calculate the frequency of the light in the star's frame of reference.
Under certain conditions, the human body can withstand an acceleration of 10 g's. What is the net force (in Newtons) acting on a person
A satellite in Earth orbit has a mass of 92 kg and is at an altitude of 2.04 106 m. (Assume that U = 0 as r ? infinity.) (a) What is the potential energy of the satellite–Earth system? J (b) What is the magnitude of the gravitational force exerted..
One kilogram of dry air is warmed from 273 K to 313 K under a constant pressure of 1000 hPa. Calculate (a) the heat absorbed by the gas, (b) the work done, and (c) the change in internal energy.
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