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An electron beam is deflected upward through 2.5 mm while traveling in a vacuum between two deflection plates 12.4 mm apart (the figure below). The potential difference between the deflecting plates is 175.0 kV and the kinetic energy of each electron as it enters the space between the plates is 3.0 10-15 J. What is the kinetic energy of each electron when it leaves the space between the plates?
hearing the siren of an approaching fire truck, you pull over to the side of the road and stop. As the truck approaches, you hear a tone of 460 Hz; Find speed of the truck
An ideal gas in a container is at a temperature of 78.5°C. What is the average translational kinetic energy of a gas
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
What is the ideal banking angle(in degrees) for a gentle turn of 1.20 km radius on a highway with a 105 km/h speed limit (about 65 mi/h)
A 232-kg satellite is in circular orbit around the Earth and moving at a speed of 4.88 km/s. How much work must be done to move the satellite into another circular orbit
Given the mass of the rubber in the balloon is 1.40 g, what is the net vertical force on the balloon if it is let go, Calculate the buoyant force on a 2.00 L helium balloon.
An electron moving parallel to the x axis has an initial speed of 3.70x10^6 m/s at the origin. Calculate the potential difference between the origin and that point.
Two identical aluminium objects are insulated from their surroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object is at the higher potential.
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30 {rm m}.
A 57.0-kg skier starts from rest at the top of a ski slope of height 67.0. how fast is she going after crossing the patch
A light rope 5m long supports a 30kg mass against gravity. What is the mass per unit length of the rope
A particle travels 16 times around a 18-cm radius circle in 37 seconds. What is the average SPEED (in m/s) of the particle
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