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Here is the problem which I am struggling on, please help me!
Problem: Determine the maximum possible kinetic energy in electron volts of a photoelectron ejected from the metal that absorbs a 190-nm photon.
Please explain how you came to your conclusion.
how far will a stone travel over level ground if it is thrown upward at an angle of 34.0 o with respect to the
An 84.4 kg man is standing at the rear of a 425 kg iceboatthat is moving at 4.16 m/s across the ice that may be considered tobe frictionless. How far did the boat move across the ice while he waswalking
A hot-air balloon plus cargo has a mass of 283 kg and a volume of 825 m3. What is the density of the hot air in the balloon
A 4.0- m-long iron bar of uniform cross section is held perpendicular to the wall by a wire from the end of the bar to the wall, What is the tension in the wire if the iron bar weighs 300 N and the wire is 5.0 m long
The polar ice caps contain about 2.48 x 10^19 kilogram of ice. This mass contributes negligibly to the moment of inertia of the earth because it is located at the poles, Find what would be the change in the length of the day
A 0.99-cm-diameter microscope objective has a focal length of 2.6 mm. It is used in visible light with a wavelength of 532 nm. What is the objective's resolving power if used in air
The greatest height reported for a jump into an airbag is 99.4 m by stuntman Dan Koko. In 1948 he jumped from rest from the top of the Vegas World Hotel and Casino. determine how fast he would have been traveling on impact had air resistance been a..
The pendulum in a grandfather clock is made of brass and keeps perfect time at 20 degrees Celsius. How much time is gained or lost in a year
A dipole moment is placed in a uniform electric field oriented along an unknown direction. The maximum torque applied to the dipole is equal to 0.1 N.m. When the dipole reaches equilibrium its potential energy is equal to -0.2 J.
A 7.11-kg box is sliding across the horizontal floor of an elevator. find the kinetic frictional force that acts on the box
When the cannon is fired, the ball moves 15.3 cm through the horizontal barrel of the cannon, and there is a constant frictional force of 0.0322 N between the barrel and the ball. Illustrate at what point does it have its max speed?
A ball is thrown vertically upward by a speed of +10.0 m/s. How high does it rise? How long does it take to reach its highest point?
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