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The plates of a parallel-plate capacitor have a separation of 4.04mm , and each has an area of 15.4cm2 . Each plate carries a charge of magnitude 6.65×10?8C . The plates are in vacuum.
What is the capacitance?
What is the potential difference between the plates?
What is the magnitude of the electric field between the plates?
A 0.2-kg steel ball is dropped straight down onto a hard, Determine the magnitude of the impulse delivered to the floor by the steel ball
A krypton laser produces a cylindrical red laser beam 2.0 in diam with 2.0 of power. What is the light intensity on a wall 2.5 away from laser.
a) Write an expression for the magnitude of the force, F, that propels the dragster forward in terms of the variables provided. b) If the track has length L, select the correct symbolic equation for how fast Vf the dragster is traveling when it fi..
A thin, light wire is wrapped around the rim of a wheel. The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. The wheel is a uniform disk with radius 0.28. An object of mass 4.0 is suspend..
Earth's atmosphere, the electric field above Earth's surface has been measured to be 150 N/C downward at an altitude of 250 m and 165 N/C downward at the altitude of 400 m. compute the volume charge density of the atmosphere.
Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Heat transfer occurs until the tank contains only saturated vapor. Determine the final mass of vapor in the tank, in kg, and the final pressu..
An object is located 10 cm in front of a mirror that forms an image of the object on a wall 300 cm, What type of mirror is required to form this image?
The exhaust temperature of a Carnot heat engine is 250°C, What is the intake temperature if the efficiency of the engine is 27.0%
A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.82 of the person's regular weight, Find the direction of the acceleration
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm . What is the acceleration of the object at t= 2.50 s ?
A clean and dry core sample weighing 425 g was 100% saturated with a 1.07 specific gravity brine, Calculate the porosity of the rock sample
A 3.3 block of wood sits on a table. A 3.0 bullet, fired horizontally at a speed of 480, goes completely through the block, emerging at a speed of 200 .What is the speed of block immediately after the bullet exits.
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