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An experimenter arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of his reference frame and a small flash at x = 8.25 km. An observer, moving at a speed of 0.558c in the direction of increasing x, also views the flashes
(a) What time interval between them does she find?
(b) Which flash does she say occurs first (big/little)?
Monochromatic light of wavelength 692 nm is incident on a narrow slit. On a screen 2.81 m away, Calculate the angle of diffraction of the second minimum
If there are two point along the x-axis, positive q to the right and -q to the left of the orgin. Both with the distance a/2 from the orgin, Find the electric field at that point without using derivatives
A 75 g Frisbee is thrown from a point 1.2 m above the ground with a speed of 14 m/s. find the reduction in Emec of the Frisbee-Earth system
A bolt is to be tightened with a torque of 8.0 Nm. what is the least amount of force you must exert
A 45.0 g ball of copper has a net charge of 1.75 µC. What fraction of the copper's electrons have been removed
A 1408.0 g mass is on a horizontal surface with ?k = 0.39, and is in contact with a massless spring with a force constant of 526.0 N/m which is compressed. Calculate the distance the spring was compressed
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.8×106 one at an angle 17 degrees west of north, What is the total work they do on the supertanker
A 2000 kg car is traveling at a constant 15.0 m/s down a long mountain grade of 2.0%. The mountain road is 5.0 km long. What is the increase in the temperature of the brakes
Tim and Rick both can run at a constant speed Vr and walk at the constant speed Vw, (Vw
There are two pith balls that are suspended from a pendulum and repel each other, calculate the tension of the string and the mass of the balls
As a space craft approaches a planet, the rocket engines on it are fired to slow it down so it will go into orbit around the planet. how long must the engines be fired
Using the Bohr model what is the radius of the electron orbit in the Hydrogen atom when the electron is in the n = 2 state, What is the energy of the Hydrogen atom
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