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For a double-slit experiment, the inside edges of two 1.73-mm wide slits are separated by a distance of 1.35 mm. The slits are illuminated by a laser beam with wavelength 633 nm. If a screen is placed 5.45 m away from the slits, determine the separation of the bright fringes on the screen.
A certain airplane has a speed of 250.0 km/h and is diving at an angle of 30.0° below the horizontal when the pilot releases a radar decoy. The horizontal distance between the release point and the point where the decoy strikes the ground is 700 m..
An osprey’s call is a distinct whistle at 2200 {rm Hz}. An osprey calls while diving at you, to drive you away from her nest. You hear the call at 2300 {rm Hz}. Explain how fast is the osprey approaching?
Estimate the ball's rise in temperature.
An engineer is developing an electric water heater to provide a continuous ("on demand") supply of hot water. What is the power at which the heater operates
A source has a half life of 30.2 years. It was created 19 years ago with an initial activity of 1 micro curie. Calculate the initial number of atoms in the sample
Two circular disks, each of area 1.90E-4 m2, are situated parallel to one another. The distance between them is small compared with their radii, Compute the force exerted by one on the other
Spider-Man attempts to save passengers on an out-of-control train using his web-slinging power. If the train (m = 137,000 kg) was at first travelling at 33m/s and he needs to stop it within 46 s, what is the magnitude of force he must provide.
Your roommate is working on his bicycle and has the bike upside down. He spins the 54.0cm -diameter wheel, What is the pebbles speed and acceleration
Name the ionic compound form when an Magnesium reacts with chlorine.
A particle moves horizontally in uniform circular motion, over a horizontal xy plane, What are the coordinates of the center of the circular path
A wave has an angular frequency of 110 rad/s and a wavelength of 1.80 m. Calculate the angular wave number and the speed of the wave.
The power required by an ice maker is 225 W and is the rate at which it does work. The ice maker operates like a refrigerator or an air conditioner and has a coefficient of performance of 3.60.
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