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Zinc has a work function of 4.30 eV.
A 5.00eV photon strikes the surface and an electron is emitted. What is the maximum possible speed of the electron?
A wheel that is rotating at 45 Rad/s is give an angular acceleration of 3 Rad/s (sqrd). Use gravity: 10 m/s, how long is the angular velocity of the wheel
A pitot tube on the nose of an airplane measures a stagnation pressure of 2.5 atmospheres. what is the speed of the airplane
The electric field on the axis of a uniformly charged ring has magnitude 400kN/C at a point 5.6cm from the ring center, Find the rings radius and charge
A 0.156kg toy is undergoing SHM on the end of a horizontal spring with force constant 306 N/m. Find the maximum speed attained by the object during its motion
Mattwe pulls his little sister sarah in a sled on an icy surface, with a force of 60 N at an angle of 37 ° upward from the horizontal. If he pulls her a distance of 12m, then determine the work done by matthew?
A horizontal force of magnitude 46.1 N pushes a block of mass 3.64 kg across a floor where the coefficient of kinetic friction is 0.554. find the increase in the kinetic energy of the block
A 1.3 m length of wire carrying 5.9 A of current toward the south is oriented horizontally. Estimate the magnitude of the magnetic force on the wire due to the Earth's magnetic field of 5.5 ? 10-5 T at this point
A toaster oven has a equivalent resistance of 10.5 ?. When pluged in a 120 V circuit, (Assume direct current) , What's the power of the oven
A 66kg rock climber is climbing a so called chimney between two rock slabs, What is her push against the rock
A lens of focal length +1.25 cm is used as a simple magnifier by holding outside the eye. what is the angular magnification
The mean distance between earth and the sun is 1.50 x 10^11 m. The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m^2. determine the total power radiated by the sun
A person is standing in an elevator that is stationary. What is the weight of the person when the velocity is 3 m/s upward and the acceleration is 2 m/s^2 downward
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