10/13/23

: A capacitor has a capacitance of 100 microfarads (μF) and is connected to a 12-volt (V) battery. Calculate the charge stored in the capacitor.
To answer this question, you can use the formula Q = C * V, where Q represents the charge stored in the capacitor, C is the capacitance, and V is the voltage.
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10/13/23

What is the purpose of HOLE in p-type and why is it positively charged or only attracts positive charges?
What is the purpose of HOLE in p-type and why is it positively charged or only attracts positive charges?
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08/16/23

PRECALCULUS, 12 GRADE
Let F(x)= x^2-11, FIND THE AVERADE RATE OF CHANGE FROM a=-4 TO a=-4+h
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03/02/23

Can Crush by Air Pressure Experiment
If you put a can with water at its base over a hot plate and allow the water to heat. Once Steam is visible from the top of the can, and quickly flip the can upside down into a bowl of water with... more
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12/19/22

Diameter of Planets
If earth has a diameter of 1cm, each of the following planets (Mercury,Venus,Mars,Jupiter,Saturn,Uranus,Neptune)will have a diameter of...
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09/04/22

Physics Question
Dear experts, Im having trouble answering the following question:If the potential difference across an ohmic conductor is halved, the dissipated power:1) increases by a factor of 42) decreases by a... more
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06/22/22

PLS HELP ME FAST SOMEONE
The speed of a light wave c is related to its wavelength λ and its frequency f by C=λf. If the speed of light is 3 × 10^8 meters/second and the wavelength of an infrared wave used in a remote... more
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05/02/22

It is anything that keeps the current from flowing
A. resistanceB. currentC. conductorD. voltage
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02/17/22

Current Question (Physics Help Please)
A television set connected to a 120 V  outlet consumes 21W of power. A. How much current flows through the television? B. How long does it take for 10 million electrons to pass through the TV?For... more
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02/17/22

Magnetic field PHYSICS HELP PLEASE!
A 0.40 uC particle moves with a speed of 16 m/s  through a region where the magnetic field has a strength of 0.99 T. a.   At what angle to the field is the particle moving if the force exerted on... more
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10/05/21

How can I find Fnet with only distance, mass, and friction coefficient?
You are pushing an object that has a mass of 300. kg across a 6m flat surface, with a friction coefficient of 0.70.Fg/Fn = 2940NFk = 2058N in the left directionI just cannot figure out how to find... more
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05/14/21

Power and coil rotation

Suppose that there is a single generator providing power to your house. Right now, the wire coil is spinning at a certain number of rpms within a magnetic field, generating current via Faraday's... more
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03/01/21

A non-uniform force is
applied to a 1.00kg mass as it moves in the positive x-direction. Initially, the object has a speed of 5.00m/s when it moves through the origin.a) What is the speed at x = 2?b) What is the speed of... more
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02/16/21

An aircraft is flying at 480 ft/s with an elevation of 135 ft from the ground, on a straight-line path that will take it directly over an anti-aircraft gun
An aircraft is flying at 480 ft/s with an elevation of 135 ft from the ground, on a straight-line path that will take it directly over an anti-aircraft gun. How fast, in radians per second, will... more
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09/30/20

design a circuit that has a current of 27 mA. You may use any voltage you like between the values of 5 volts and 20 volts. Your circuit must be a series circuit.
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09/30/20

use your DMM to measure the total current in this circuit for the following voltages: 5 volts, 9 volts, 12 volts, and 15 volts. Picture of circuit is shown below.
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06/15/20

A Three-Point Explosion Problem
A 100 g projectile is traveling east at 20.0 m/s when it suddenly explodes into three pieces. A 33.0 g fragment is shot due north at 10 m/s while another 21.0 g fragment travels 30° South of East... more
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09/29/19

I really need help with this physics problem
So the problem is "A projectile is shot from the edge of a cliff 125m above ground level with an initial speed of 65.0m/s at an angle of 37.0 degrees with the horizontal. (a)Determine the time... more
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06/01/19

Why does the output of the op-amp reach a limit and saturate regardless of the gain?
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06/01/19

What purpose do diodes that do not emit light serve in electric circuits?
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04/12/19

Does juggling balls reduce the total weight of the juggler and balls?
A friend offered me a brain teaser to which the solution involves a $195$ pound man juggling two $3$-pound balls to traverse a bridge having a maximum capacity of only $200$ pounds. He explained... more
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04/07/19

Does rubber dust become magnetic?
My question is: if a rubber belt sustains wear, is it possible for the associated dust to become magnetic? A bit of background here: my workplace was recently contaminated by a fine layer of black... more
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04/06/19

a rectangular prism shaped fish tank is 9 inches tall. The perimeter of the base is 56 inches. The length of the base is 3 times the width of the base. What is the volume?
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04/01/19

speed and velocity
A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 7.2 m/s. Also, it has an acceleration in the direction... more
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03/26/19

For the math section, why are we expected to memorize the discriminant and quadratic formula but we are given the formulas for simple geometric shapes such as the area of a circle?
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