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The work function for cesium, 1.81 eV, is much lower than the work function for other metals.
a) What is the photoelectric cut-off wavelength?
b) What is the maximum electron kinetic energy when cesium is illuminated with light of 512-nm wavelength?
c) What is the speed of such electron?
What is the highest height reached by the rocket. what is its initial speed as it leaves the ground.
A Nextrad wave of 2.70 GHz was sent out. If it took 3.75 ms to get the returning signal from a storm weather system, how far away is the storm
A rope is used to pull a 2.25 kg block at constant speed 7.47 m along a horizontal floor. The force on the block from the rope is 7.52 N, find the work done by the rope's force
A 0.7 kg block of ice is sliding by you on a very slippery floor at 3.5m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with ice block for 0.003 seconds.
A gas initially occupying a volume V undergoes a sudden explosion, causing its volume to triple to 3V. Assuming that the pressure of the environment (atmospheric pressure po) remains constant,
An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight. The plane flies with an air speed of 120 m/s.
Two blocks are in contact on a frictionless table. A horizontal force F is applied to m1. If m1 = 1.66 kg, m2 = 3.72 kg, and F = 6.25 N, find the magnitude of the force between the two blocks
Two sources have sound levels of 104dB and 62.3 dB. what is their combined intensity
A water slide launches a child horizontally above a swimming pool. How far from the launch point does the child land in the water
A box of mass 72.0 kg is connected to a second box with a mass of 34.0 kg. find the magnitude of the tension in the string between the two boxes
A resting bat sends out ultrasonic waves at 50 kHz towards an insect that is approaching the bat with a speed of 20.0 m/s. What is the frequency of waves heard by the insect
Consider a 3.0 ball and a 5.4 ball in free fall. what is the net force acting on each
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