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Question: Electrons in a photoelectric-effect experiment emerge from a potassium surface with a maximum kinetic energy of 1.00 eV.
Question I: What is the wavelength of the light?
Thanks in advance who solve the above question and thanks in advance.
Water flows through a fire hose of diameter 5.49 cm at a rate of 1.2 x10-2 m3/s. The fire hose ends in a nozzle of inner diameter 2.11 cm. What is the velocity with which the water exits the hose?
A roller coaster at the Six Flags Great America amusement parkin Gurnee, Illinois, incorporates some clever design technology andsome basic physics. What is the radius of the arc of the tear drop at the top
A spacecraft is in empty space. It carries on board a gyroscope with a moment of inertia of Ig = 24.0 kg · m2 about the axis of the gyroscope. The moment of inertia of the spacecraft around the same axis is Is = 5.00 105 kg· m2.
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
tsunamis are fast-moving waves often generated by underwater earthquakes. in the deep ocean their amplitude is barely
A cannon tilted up at a 25 degree angle fires a cannon ball at 81.0m/s from atop a 18.0m -high fortress wall
A wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's circumference
a runner with a mass of 60kg accelerates from 0 to 9 ms in 3 s. fin a runner with a mass of 60kg accelerates from 0 to
The specific heat of aluminum is 0.215 kcal/(kgoC). A 3kg block of aluminum is heated from 10oC to150oC. What is the change in the internal energy (inunits of kcal) of the block
A wire has a diameter of 0.200mm and stretches 20% when a force of 6.28 Newtons is applied to it. What is the elastic (Young's) modulus of this wire
Two point charges are separated by 6 cm. THe attractive force between them is 20N. What is force between them when they are separated by 9 cm? What is the equation used to arrive at this reply?
An object is located 15 cm in front of (to the left of) a converging lens with a focal length of 10 cm. To the right of the converging lens, compute the location of the final image
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