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Q1. In a photoelectric effect experiment, 325 nm photons strike a cathode that has a work function equal to 1.25 eV. What is the greatest kinetic energy of the electrons removed from the cathode by this light?
Q2. An unmarked police car, travelling a constant 91, is passed by a speeder travelling 158. Precisely 1.40 after the speeder passes, the policeman steps on the accelerator.
If the police car's acceleration is 2.20, how much time elapses after the police car is passed until it overtakes the speeder (thought moving at constant speed)?
Q3. A 69.0 kg person throws a 0.0490 kg snowball forward with a ground speed of 34.0 m/s. A second person, with a mass of 59.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.20 m/s, and the second person is initially at rest. What are the velocities of the two people after the snowball is exchanged? Ignore the friction between the skates and the ice.
What is amplitude of the subsequent oscillations
What is momentum of a truck speeding down the highway at a given instant? Discuss how the momentum is changed if the truck loses some of its cargo while maintaining the same velocity.
What is the decibel level required for human perception
What is the physics behind everyday sayings
The link between portfolio level objectives with portfolio success factors that are achieved through individual projects and points out how contributes to strategic fit, use of synergies, etc.
What is magnitude of the change in the magnetic field
What is the speed of the projectile
Coefficient of kinetic friction between tires and road
Establish the temperature at the interface
Problem on a hare and a tortoise battle
Calculate change in kinetic energy
What is frequency of the fork
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