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1. Compute the speed of
(a) electrons and
(b) protons that fall through an electrostatic potential difference of 10 million volts.
(c) What is the ratio of relativistic mass to rest mass in each case?
2. (a) What potential difference will accelerate an electron to the speed of light according to classical physics?
(b) With this potential difference, what speed will an electron acquire relativistically?
(c) What would its relativistic mass be at this speed?
(d) Its relativistic kinetic energy?
An airplane is flying horizontally with a constant velocity of 150 m/s at an altitude of 4700 m when it drops a package. How long does it take for the package to reach the ground
A hanging block A ( Ma = 15 kg) is connected by a light cable and a pulley wheel to a second block B ( Mb = 10 kg) situated at the bottom of a frictionless inclined plane with angle %u03B8 = 30o to the horizontal
A novice skier, startingfrom rest, slides down a frictionless 35 o incline whosevertical height is 125 m. How fast is she going when she reaches the bottom
A small electric car overcomes a 250 N friction force when traveling 30 km/h. The electric motor is powered by ten 12 V batteries connected in series and is coupled directly to the wheels whose diameters are 50 cm.
A 199.4 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 46.2 N. What is the velocity (speed) of the satellite
In a butcher shop, a horizontal steel bar of mass 4.57 kg and length 1.27 m is supported by two vertical wires attached to its ends. What is the tension in the right wire
q1. the potential difference between the plates of a capacitor is 70 v. midway between the plates a proton and an
A skier speeds down a smooth ski slope which is at an angle of 22° with the horizontal. What is the acceleration experienced by the skier
The special effects department wants to know at what rate a space station 200 meters in diameter would have to rotate to create "gravity" equal to 0.7 that at the surface of Earth.
The indices of refraction for violet light (? = 400 nm) and red light (? = 700 nm) in diamond are 2.46 and 2.41, Calculate the angular separation between these two colors of light in the refracted ray
If a bubble in sparkling water accelerates upward at the rate of 0.263 m/s2 and has a radius of 0.694 mm, evaluate what is its mass
Bored, a boy shoots his pellet gun at a piece of cheese that sits, keeping cool for dinner guests, on a massive block of ice. What is the coefficient of friction between the cheese and ice
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