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A parallel plate capacitor with a capacitance C= 200x10^-12 consists of two copper plates, each with the area A=.40m^2 . They are maintained at a constant potential difference of V=5.0v by a battery. Calculate the potential(voltage) at a point exactly halfway between the plates. (Use the negative plate as the zero of potential,i.e., 0v . Step by step please..need help quickly.
he lower block in the figure is pulled on by a rope with a tension force of 20 N. The coefficient of kinetic friction between the lower block & the surface is 0.30. The coefficient of kinetic friction between the lower block & the upper block is a..
A crate whose mass m is 360 kg on the bed of a truck that is moving at 120km/h. What force (assumed constant) acts on the crate during this time
A rocket-powered hockey puck has a thrust of 1.60N and a total mass of 2.10kg. How far does the puck land from the base of the table
A bird flies 25.0 m in the direction 55° east of south to its nest. What are the northward and westward components of the resultant displacement of the bird
An airplane starting from airport A flies 280 km east, then 365 km at 29.0° west of north, and then 130 km north to arrive finally at airport B.
Write the expression of the force fl j corresponding to the Uu potential energy term. Derive the expression of the distance r m i n at which Uu has its minimum value, as a function of the parameters a and/or E.
A 66-g ice cube at 0°C is placed in 865 g of water at 26°C. What is the final temperature of the mixture
A jogger jogs from one end to the other of a straight 300m track( from point A to point B) in 2.50 min and then turn around, What are the jogger's average speed and average velocities in going
A conical pendulum is formed by attaching a 50 g mass to a 2 m string. The mass swings around a horizontal circle of radius 1 m. What is the acceleration of the mass
In an experiment of centripetal force you have a rotating mass of 500 grams, which is at 5 cm from the axis of rotation. Calculate the angular velocity of the rotating mass
The electric field has been measured to be horizontal and to the right everywhere on the closed box. All over the left side of the box E1 = 120 V/m, and all over the right, slanting, side of the box E2 = 250 V/m. On the top the average field is E3..
Two blocks are connected by a very light string passing over a massless and frictionless pulley, Find the total work done on 20.0-N block if ?s=0.500 and ?k=0.325 between the table and the 20.0-N block
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