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Electrons in a photoelectric-effect experiment emerge from a copper surface with a maximum kinetic energy of 1.10 eV.
What is the wavelength of the light?
Avoiding air resistance, what is the magnitude of the total velocity of the package at the moment it is thrown as seen by an observer on the ground? Answer in units of m/s.
The light shining on a diffraction grating has a wavelength of 494 nm (in vacuum). How many lines per centimeter does the grating have
A uniform electric field has a magnitude 2.40 kV/m and points in the +x direction, Find the expression for the electric potential V(x) if its value is chosen to be zero at x = 0
Choose the correct explanation for why you can determine the maximum load given that theta_min is the minimum angle crane arm can make with the horizontal.
If the tension in each chain at the lowest point is 408 N, find the child's speed at the lowest point.
The sun produces energy by nuclear fusion reactions, in which matter is converted into energy. How many kilograms of matter does the sun lose each second
Vector A~ has a magnitude of 9 and points in the positive x-direction. Vector B~ has a magnitude of 19 and makes an angle of 38? with the positive x-axis
0.45 kg of a metal at 90.°C is added to 0.40 kg of water at 20.0°C. If the final temperature of the mixture is 26.°C, what is the specific heat of the metal
During a thunderstorm, winds with a speed of 49.4 m/s blow across a flat roof with an area of 751 m2
A runner wearing spiked shoes pulls a 24kg sled across frictionless ice using a horizontal spring with spring constant 130N/m. What is the acceleration of the sled
A boy whirls a stone using an r-m long string in a horizontal circle h m above the ground. The string broke, and the stone flies off horizontally and strike the ground x m away.The velocity with which the stone flies off the circle is? The centrip..
A 10 μF capacitor is charged to 15 V. It is next connected in series with an uncharged 5.00-μF capacitor. The series combination is finally connected across a 50.0-V battery, as diagrammed. Find out the new potential differences across the 5-μF an..
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