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: on a thin rod of length L lying along the x axis with one end at the origin (x=0), as in figure there is distributed a charge per unit length is given by lambda so that the total charge on the rod is Q=lambda L.

Find an expression for the electric field at point P(O, y).

Find an expression for the electric field at point P(O, y).

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the tiny ball at the end of the thread shows in below figure has a mass of 0.609g and is in horizontal electric field of intensity 700 n/c it is in equilibrium in the position. What are the magnitude and sign of the ball?

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A ball is thrown vertically upward with a velocity 25meterspersecond on its weight down it was caught 5 meters above the ground find how fast it was travelling wh3n kt was caught and also find total time of the trip ?

Answered! |

A Metal ring is heated such that its area in m2 at any time t is given by A=3t2+pie

The rate of increase area at t=5 sec is

The rate of increase area at t=5 sec is

Answered! |

a body moving with 40km/h comes to rest in 30 minutes ,find its acceleration

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A cylinder of gas is compressed by a piston from an initial volume of 125 liters to a final volume of 90 liters. The compression occurs at constant pressure, and the work done on the gas by the piston is 104 joules. What is the gas pressure during the compression?

(1 liter = 10-3 meters3)

(1 liter = 10-3 meters3)

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Explain why the present of dielectratic increase the capcitance of the capasitor?

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Explain any one activity with diagram to prove the law of inertia

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How can I find V_o (in function of V and I) in this circuit?

http://i.imgur.com/W3sEDoJ.png

PS: the answer is supposed to be Vo = 5I +Vs/4

http://i.imgur.com/W3sEDoJ.png

PS: the answer is supposed to be Vo = 5I +Vs/4

In Progress... |

A hunter walks 225 m towards the north, then 125m 35 degrees N of E, then 145m 25 degrees S of W. What is his resultant displacement? You must use component method.

Answered! |