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An electron is accelerated from rest through a potential difference that has a magnitude of 2.90 × 107 V. The mass of the electron is 9.11 × 10-31 kg, and the negative charge of the electron has a magnitude of 1.60 × 10-19 C.
(a) What is the relativistic kinetic energy (in joules) of the electron?
(b) What is the speed of the electron? Express your answer as a multiple of c, the speed of light in a vacuum.
Three resistors, R1 = 17? , R2 = 52? , and R3=R, are connected in series with a 24.0 Vbattery, find the potential difference across each resistor
Saturn's moon Titan is the largest moon in the solar system. Its mostly-nitrogen atmosphere exerts a pressure of 1.60×105 Pa at the moon's surface.
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.00°. Find the dispersion of the slab, which is defined as the difference in the angles of refraction for the two wavelengths
A 5.80 m length of 2.0 mm diameter wire carries a 750 mA current when 22.0 mV is applied between its ends. determine the electric field inside the wire
A 0.05 kg bullet traveling at 600 m/s hits a 7.4 kg block of wood and stays in the wood. What is the velocity (speed) of the wood block immediately after the bullet hits it
A diving board oscillates with simple harmonic motion of frequency 3.36 cycles per second, What is the maximum amplitude with which the end of the board can vibrate in order that the pebble placed there not lose contact with the board during oscillat..
A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
A 1,576-kg car is moving down a road with a slope (grade) of 11% while speeding up at a rate of 3.6 m/s^2. What is the direction and magnitude of the frictional force
Suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0.954c. what is your breathing rate
What is the average translational kinetic energy of nitrogen molecules at 1400 K
Two point charges 1.6cm apart have an electric potential energy -160?J . The total charge is 25nC. What are the two charges
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
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