Estimate the energy lost by the electrons
A beam of 5 MeV electrons passes through a 300 micro-meter thick silicon detector. Estimate the energy lost by the electrons when crossing 100 micro-meter, 200 micro-meter and the full thickness of the detector.
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A certain car battery with a 12.0 V emf has an initial charge of 178 A·h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how long in hours can it deliver energy at the rate of
How much work is done by the electric field due to the sheet if a particle of charge q = +1.60 × 10-19 C is moved from the sheet to a point P at distance d = 3.56 cm from the sheet?
A 1000 kg steel beam is supported by the two ropes shown in the figure. Each rope can support a maximum sustained tension of 5600 N. Will the ropes break?
Two balls are approaching each other head-on. Their velocities are +9.60 and -10.8 m/s. Determine the velocity of the center of mass of the two balls for the following conditions. (Use the sign of your answer to indicate the direction.) (a) They h
Traveling at a speed of 17.6 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.780. What is the speed of the automobile after 1.30 s have
Two capacitors give an equivalent capacitance of 9.60 pF when connected in parallel and an equivalent capacitance of 1.80 pF when connected in series. What is the capacitance of each capacitor?
Determine the breakdown voltage for an argon filled chamber having electrode separation of 0.3 cm and first Townsend coefficient of 100 cm^-1 at STP. What will be the breakdown voltage if the gas in the chamber is replaced by helium?
(a) How much work is required to pull him 70 m up a 30° slope (assumed frictionless) at a constant speed of 1.7 m/s? (b) How what HP moted would be needed.
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