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Electrons are accelerated up to a kinetic energy of 109 eV.
(a) Determine the ratio of their mass to the rest mass?
(b) Determine the ratio of their velocity to the velocity of light?
(c) Determine the ratio of their total energy to their rest mass energy?
A concave mirror (R = 64 cm) is used to project a transparent slide onto a wall. The slide is located at a distance of 40.0 cm from the mirror, How far from the wall should the mirror be located
a piece of balsa wood with density 0.12gcm3 with mass of 30g in air is affixed to alead sinker with a mass of 400g.
You are driving to the grocery store at 20. You are 100 from an intersection when the traffic light turns red. Suppose that your reaction time is 0.70 and that your car brakes with constant acceleration. What acceleration would bring you to rest r..
Starting with the Ampere law: what assumption leads to the modification of Ampere law. Start from the assumption and sketch the steps leading to the Maxwell Ampere law in integral form?
a speeding car traveling at 120kmhr passes a cop that is traveling at the same speed in the opposite direction. upoon
Three objects with masses, m1 = 6.0 kg, m2 = 10.0 kg, and m3 = 15.0 kg, are attached by strings over frictionless pulleys as indicated. The horizontal surface is frictionless and the system is released from rest. Using energy concepts, find out th..
Two archers shoot arrows in the same direction from the same place with the same initial speeds, but at different angles. how far apart are the two arrows when they land
Is the plane of polarization of a polarizing polymer sheet in the similar direction as the molecular chain orientation? Describe . What is meant by optical activity?
High power lasers in factories are used to cut through cloth and metal. One such laser has a beam diameter of 0.407 mm and generates an electric ?eld at the target having an amplitude 0.985 MV/m.
An immersion heater has a resistance of 5.0 ohms while drawing a current of 3.0 amperes. How much electrical energy is delivered to the heater duing 200 seconds of operaion
What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 37.9 cm
A 3.0-V battery with an internal resistance of 2.5 Ω is connected to a lightbulb of a resistance of 6.0 Ω. How much electric power is delivered to the lightbulb
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