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When light of wavelength 254 nm falls on cesium, the required stopping potential is 3.00 V. If light of wavelength 436 nm is used, the stopping potential is 0.900 V. Use this information to plot a graph like that shown in the figure below.From your graph, determine the cutoff frequency for cesium and its work function.
The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole human bodies has a field strength of 7.33 T, and the current in the solenoid is 2.20 x 102 A. What is the number of turns per ..
if only electric forces are important conservation of mechanical energy tells us kinit uinit kfinal ufinal. in
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.9 below the horizontal. Find the length of time the car is in the air
A brass ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One second later, How high does the ball rise
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.151 s, illustrate what is the average force exerted by the wall on the ball?
A force of 250 N is applied to a hydraulic jack pistonwith a 0.1m diameter. If the output piston, which supportsthe load, has a diameter of 0.5m, How much weight can be lifted
A cold beverage can be kept cold even on a warm day if it is slipped into a porous ceramic container that has been soaked in water. Assume that energy lost to evaporation matches the net energy gained via the radiation exchange through the top and..
A thin spherical shell has a radius of 2.8 m and a mass of 410 kg, and its center is located at the origin of a coordinate system. Another spherical shell with a radius of 1 m and mass 165 kg is inside the larger shell with its center at 0.6 m on the..
a 2 kg ball moving at 3 m/s hits a wall and bounces off. immediately after the collision it moves at 3 m/s in the opposite direction. what is the magnitude of the change in the objects momentum
A boy of mass 35 kg and a girl of mass 40 kg are skating towards each other with speeds of 2.5 m/s, and 2.0 m/s respectively. Assume that there is no friction, and find their combined velocity after they meet
Space probes communicate with controllers on Earth using radio waves. How fast is the probe traveling and is it traveling towards or away from Earth
a cannon fires a cannonball at an infinitely tall castle a horizontal distance d away from the cannon. the cannon makes
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