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A particular species of copepod, a small marine crustacean, emits a flash of light consisting of 1.4x1010 photons at a wavelength of 490 nm. The flash lasts for 2.4 s.
Part A. What is the power of the flash?
A double slit separated by 0.0586 mm is placed 1.55 m from a screen. If blue light of wavelength 415 nm strikes the double slit, what is the separation between the second-order and fourth-order maxima
A golfer tees off from the top of a rise, giving the golf ball an initial velocity of 41 m/s at an angle of 25° above the horizontal. How high is the rise above the fairway
a 1.0 x 10-9 c charge is at the origin and a -1.00 x 10-9 c charge is 4.1 m to the right on the positive x-axis. the
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). What is the distance between the first-order red and blue fringes? (d=)
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.602 and the coefficient of kinetic friction is 0.327. How much force is needed to begin moving the book
An ideal fluid, of density 0.85 x 103kg/m3, flows at 7.0 m/s through a level pipe with radiusof 0.50 cm. Find the speed of flow in the second pipe
A large ant is standing on the middle of a circus tightrope that is stretched with tension Ts. The rope has mass per unit length μ. Wanting to shake the ant off the rope, a tightrope walker moves her foot up and down near the end of the tightrope,..
A 256 kg wooden raft floats on a lake. When a 80 kg man stands on the raft, it sinks 9.0 cm deeper into the water. When he steps off, the raft vibrates for a while. What is the total energy of vibration
A 80.0 kg football player leaps straight up into the air (with no horizontal velocity) to catch a pass. how fast was the ball travelling
Two parallel plates, each of area 6.12 cm2, are separated by 5.40 mm. The space among the plates is filled with air. A voltage of 4.75 V is applied among the plates. Compute the magnitude of the electric field between the plates Compute the amount of..
The bumpers on a train engine consist of two springs. If the 2 x 105 kg train engine is travelling at 15 m/s, What is the spring constant of the bumper springs
when it reaches the buoy?A speedboat moving at 40.0m/s approaches a no-wake buoy marker 100m ahead. How long does it take the boat to reach the buoy
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