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a. In what frames of reference does special relativity apply?
b. In what frames of reference must general relativity be used?
c. Describe what happens to time and length at speeds close to the speed of light.
A galvanometer with a coil resistance of 40.0 Ω deflects full scale for a current of 2.0 mA. What series resistance should be used
Protons in cosmic rays have been observed with kinetic energies as large 3.00 ×108 eV. How fast are these protons moving
What should be the minimum initial speed of the dart so that combination makes a complete circular loop after the collision. find the minimum diameter of the raft that would prevent the diamond from being seen.
A huge cannon is assembled on an airless planet. The planet has a radius 5.00 x 106m and a mass of 4.6 x1024 kg. The cannon fires a projectile up at 4000 m/s. what is the escape velocity of the planet
Density is the ratio of an object;s mass to its volume. Would you except density to be a vector or a sdcalar quanity? Explain.
A household water supply taps off the water main. The tap is a copper tube with a 1inch inside diameter. What will the flow be from the pipe
A certain speed boat weighs 5,880 N. It can accelerate from 0 to 40 m/s in 5 seconds. (Need to see the math). How large is the net force acting on the boat
A common flashlight bulb is rated at 0.30 Amp and 2.8 Volt (the values of the current and voltage under operating conditions). Estimate the temperature of filament when the bulb is on
a potential difference of 84 mv exists between the inner and outer surfaces of a cell membrane. the inner surface is
Determine the tangential and centripetal components of the net force exerted on a car (by theground) when its speed is 40 m/s, and ithas accelerated to this speed from rest in 9.1 s on a curve of radius 400 m. The car's mass is 1000 kg.
Someone points out that a ball, if released from rest on a hill, will roll down the hill with increasing momentum. explain the Law of Conservation of Linear Momentum
Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. find the maximum magnitude of the electric field
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