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A parallel plate capacitor of capacitance 4.1 uF has the space between the plates filled with a slab of glass with k = 2.9 The capacitor is charged by attaching it to a 2.0-V battery. After the capacitor is disconnected from the battery, the dielectric slab is removed. Find
(a) the capacitance,
(b) the potential difference, and
(c) the charge on the plates.
(d) Find the energy stored in the capacitor after the glass is removed.
Find out the gravitational potential energy
A black thin-walled cylindrical can, 10.0 cm in diameter and 20.0 cm tall is filled with water at 100°C and suspended in a 20°C room. Determine the initial rate of heat transfer due to radiation
A large air conditioner has a resistance of 7.0?and an inductive reactance of 17?. Find the impedance of the air conditioner
A 5.50kg mass traveling at 3.5 m/s on a fricktionless tabled suddenly collides, What will be the maximum compression of the spring after the composite collides into it
A. how much time does the car take to travel between the two points? B. what is the displacement between the starting and ending points? C. what is the average velocity? D. What is the change in velocity? What is the average (vector) acceleration?
A car is parked 21.0 m directly south of a railroad crossing. A train is approaching the crossing from the west, What frequency does the car's driver hear when the horn blast reaches the car
A car dealer claims that his product will accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What estimated distance will the car travel.
In a proton accelerator, the energy of proton is 20MeV, the diameter of the beam is 2.0mm, Find the current density and the particle density in the beam
A space traveller whose mass is 115 kg leaves earth. What are his weight and masson earth and in interplanetary space where there are no nearby planetary objects.
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe\'s diameter is 59.7 cm (0.597 m) and the flow speed of the petroleum is 10.7 m/s. what is the pipe\'s diameter at the refinery
Which state is best illustrates kinetic friction
An elephant's legs have a reasonably uniform cross section from top to bottom, and they are quite long, An elephant has legs that stretch 2.3 m from its shoulders to the ground. How much time is required for one leg to swing forward after completin..
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