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When light with a wavelength of 262 nanometers is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 3.47 x 10-19 Joule. Find the wavelength of light that should be used to double the maximum kinetic energy of the electrons ejected from this surface.
An undiscovered planet, many light years from Earth, has one moon which has a nearly circular periodic orbit. find how long does it take the moon to make one revolution around the planet
Jupiter has a radius of 71,492km and a mass of 1.9x10^27 kg. Jupiter's moon has a mass of 9x10^22kg and orbits at a distance of 422x10^3km. find the gravitational force on the moon due to Jupiter
Electrons only travel in one direction when a potential dissimilarity is applied across a conductor. An isolated sphere has a capacitance. The capacitance of three capacitors placed perpendicular with each other is the sum of their individual values...
The rope makes an angle of 70.0 degrees with respect to the vertical as shown. Illustrate what is the tangential speed of the ball?
Astronauts on a distant planet throw a rock straight upward and record its mothion with a video camera. What is the acceleration of gravity on this planet
Arlene is to walk across a "high wire" strung horizontally betweentwo buildings 10.0m apart. what is the tension in the rope at this point
One of the asteroids, Ida, looks like an elongated potato. Surprisingly it has a tiny (compared to Ida) spherical moon! what must your orbital speed be
How long could the rocket hover just above the earth's surface and sHOW THE VELOCITY OF THE PARTICLE ALFA IS RHO ALFA OMEGA in the phi direction.
Assume we have an infinitely long wire carrying a current of 4.0 A. It is bent into an L-shape extending into positive infinities along the x- and y- axes. Discover the magnitude of the magnetic field at a point P with coordinates (0.6 m, 0.6 m). (Us..
A ball (mass 100g) is recorded to have a speed of 2m/s after falling 5m under gravity. What is the work done by air resistance
A gymnast with mass m1 = 40 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 110 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..
q1. a rotating flywheel that is brought up at its maximum speed 3000 rpm stores how much energy? the flywheel is a
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