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an electron and a proton are fixed at a separation distance of 847 nm. find
a) the magnitude and direction of the electric field at their midpoint.
b) electric potentialat their midpoint.
the weight of the block on the table is 380 N and that of the hanging block is 175 N. What is the acceleration of the two block
A small positively charged sphere of mass 4.68 g and charge +72 micro C is suspended horizontally in static equilibrium, find the magnitude of the tension in the horizontal string
A mouse travels along a straight line; its distance x from the origin at any time t is given by the equation x = (8.5cm x s^-1)t - (2.5cm x s^-2) t2. Find the average velocity of the mouse
A vertical electric field of magnitude 2.45 104 N/C exists above the Earth's surface on a day when a thunderstorm is brewing. Determine the electric flux through the bottom of the car
A 1.3-kg block of ice is initially at a temperature of -6.0%u2218C. If 3.0*10^5 J of heat are added, what is the final temperature
An ac series circuit has an impedance of 196 ? , and the phase angle between the current and the voltage of the generator is ? = -72°. The circuit contains a resistor and either a capacitor or an inductor
What inductance must be connected to a 25 pF capacitor in the oscillator capable of generating 480 nm (i.e., visible) electromagnetic waves.
What is constant speed V
First work out the momentum before and after hitting the table. Don't forget the gravitational force.
A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is perpendicular to a rough wall. What is the smallest value of the coefficient of friction
An eyepiece of 2.1- cm focal length and an objective of 0.34- cm focal length are used in a standard microscope. What power should be marked on the eyepiece
A person with mass of 70kg is climbing a ladder with a length of 6 m and the ladder has a mass of 20kg that leans against a smooth, What is the magnitude of the frictional force of the floor
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