373 Answered Questions for the topic physics C

06/03/22

A hypothetical material has a relative permeability and relative permittivity of 3.0 and 4.0, respectively.

A hypothetical material has a relative permeability and relative permittivity of 3.0 and 4.0, respectively. a. What is the speed of light in this material? b. What is the value of the magnetic... more
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05/31/22

Please help me understand
Can you explain or give an example of why the frequency of light does not change upon reflection
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Physics C Math Science Physics

05/21/22

Asteroid split lab

Background: The two tables below contain both the assumptions and parameters needed to evaluate if the plucky heroes in Armageddon could save Earth. In order to miss, Earth two conditions must... more
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Physics C Physics Physics B

05/17/22

In a roundabout (or traffic circle), cars go around a 24- m -diameter circle.
In a roundabout (or traffic circle), cars go around a 24- m -diameter circle.If a car's tires will skid when the car experiences a centripetal acceleration greater than 0.60g , what is the maximum... more
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Physics C Physics Physics B

05/17/22

A wildlife researcher is tracking a flock of geese. The geese fly 5.0 km due west, then turn toward the north by 45 ∘ and fly another 3.5 km .
A wildlife researcher is tracking a flock of geese. The geese fly 5.0 km due west, then turn toward the north by 45 ∘ and fly another 3.5 km .How far west are they of their initial position?What is... more
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Physics C Physics Physics B

05/17/22

A skier is gliding along at 3.0 m/s on horizontal, frictionless snow. He suddenly starts down a 11 ∘ incline. His speed at the bottom is 15 m/s .
A skier is gliding along at 3.0 m/s on horizontal, frictionless snow. He suddenly starts down a 11 ∘ incline. His speed at the bottom is 15 m/s .What is the length of the incline?How long does it... more
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04/20/22

Calculate the magnitude and direction of the resultant electric field at the origin due to these charges
A point charge 𝑞1 = +6.00 𝑥 10−9𝐶 is at the point 𝑥 = 0.800 𝑚, 𝑦 = 0.600 𝑚 and a second point charge 𝑞2 = −2.00 𝑥 10−9𝐶 is at the point 𝑥 = 0.800 𝑚, 𝑦 = 0 𝑚. Calculate the magnitude and direction... more
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Physics C Physics Physics B

04/06/22

capacitor question
The charge stored on each plate of a capacitor is 120 μC when it is connected to a source with a potential difference of 6.0 V. (a) What is the capacitance of the capacitor?(b) What is the... more
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Physics C Physics Physics B

04/02/22

gauss law physics 2
a uniform electric field e=15000 n/c passing through a flat square A = 2 m2. determine the electric flux
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Physics C Math Science Physics

03/30/22

Help needed with physics
A 1200 kg safe is 2.4 m above a spring when the rope holding the safe breaks. The safe hits the spring and compresses it 42 cm. What is the spring constant of the spring?
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Physics C Math Science Physics

03/30/22

Help with physics question
A system in which only one particle can move has the potential energy shown in the figure. Suppose U1 = 92 J. What is the y -component of the force on the particle at y = 0.5 m ? What is the ... more
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Physics C Math Science Physics

03/30/22

Help needed with physics question
A 58.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.70 m. What speed does he need at the bottom?Any help... more
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03/14/22

Ideal Gas Equation Help!
A house has a volume of 1.45 x 10^4 cubic meters. At 20.0°C and 740 mm Hg, the air fills the house. If the temperature and pressure increases to 35.0°C and 780 mm Hg, how much air must be drawn... more
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03/13/22

Ideal Gas Equation Help
A house has a volume of 1.45 x 10^4 cubic meters. At 20.0°C and 740 mm Hg, the air fills the house. If the temperature and pressure increases to 35.0°C and 780 mm Hg, how much air must be drawn... more
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Physics C

03/08/22

AP Physics C E and M
The filament of a light bulb has a resistance of 20.0 Ω at 20oC and 160 Ω when the light is on. Find the temperature of the filament when the light is on. (The temperature coefficient of... more
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Physics C

03/07/22

AP Physics C E and M
A copper wire that is 1 mm thick and 30 cm long is connected to a 1 V battery.(The resistivity of copper is 1.69 x 10-8 Ω⋅m.)1) Find the current in the wire in [A] assuming it's at room... more
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Physics C

03/07/22

AP Physics C E and M
A 15 V constant voltage battery is connected to 120 kΩ resistor. A 15 V constant voltage battery is connected to 120 kΩ resistor. 1) What is the current in the resistor in [mA]?Multiple Choice... more
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Physics C

03/07/22

AP Physics C E and M
Consider a resistor (R=1000 kΩ) and a capacitor (C=1μF) connected in series. This configuration is connected in series to a battery with an emf of 10 V.1) Find the maximum voltage in [V] across the... more
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Physics C

03/03/22

AP Physics C E and M
A capacitor is constructed of two large, identical, parallel metal plates separated by a small distance d. A battery fully charges the capacitor and is then disconnected.If, instead of separating... more
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Physics C

03/03/22

AP Physics C E and M
A capacitor is constructed of two large, identical, parallel metal plates separated by a small distance d. A battery fully charges the capacitor and is then disconnected.The plate separation is now... more
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Physics C

03/03/22

AP Physics C E and M
A capacitor has been charged by connecting it to a 12 V battery. How much work was done in charging this capacitor, if at the end of charging, its charge is 2 μC?Group of answer... more
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Physics C

03/03/22

AP Physics C E and M
A parallel plate capacitor has a plate area of 1m2. The plates are separated by 2 mm, and the space between them is filled with jelly with a dielectric constant of 5.6. How much electrical energy... more
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Physics C

03/03/22

AP Physics C E and M
The potential of a 5.0 cm radius conducting sphere is -100 V. What is the charge density on its surface?Group of answer choices-1.8x10-8 C/m23.5x10-8 C/m22.2x10-8 C/m2-2.2x10-8 C/m2-3.5x10-8 C/m2
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Physics C

03/03/22

AP PHysics C E and M
A hollow metal sphere is charged to a potential of 40 V. The potential at its center is ________.Group of answer choices0 V80 VDepends on the radius of the sphere-49 V40 V-80 V
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Physics C

03/03/22

AP Physics C E and M
A 5 cm radius conducting sphere has a charge density of 2.0x10-6 C/m2 on its surface. Find the electric potential of the sphere.7.2x106 V1.1x104 V3.6x105 V2.3x105 V2.2x104 VDo I want to use the... more
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