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Physics
Immanuel
Explain why a cow that touches an electric fence experiences a mild shock
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Physics
Sydnee Zamora
A moving car hits the back bumper of a stationary car. The momentum of the stationary car increases. What happens to the momentum of a the moving car
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Physics
Rosie
If a small rock is dropped from a height of 3.1 m how fast will it be moving when it reaches the ground 0.80 seconds later
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Physics
Troy
A uniform electric field is oriented in the - z direction. The magnitude of the electric field is 6500 N/C.
(a) How will the equipotential surfaces associated with this electric field be oriented? parallel to the xy plane parallel to the xz plane parallel to the yz plane
(b) Consider two of the equipotential surfaces; one with a potential of
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Physics
India
If it rains a lot and the water stays in the streets what is it called
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Physics
Rhys Ramos
What type of force can be thought as either a push or pull?
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Physics
Troy Santiago
Why is the air around a refrigerator immediately warm?
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Physics
Kyan Holmes
A local ice hockey pond is at 4°C when the air temperature falls, causing the water temperature to drop to 0°C with 10.9 cm of ice forming at the surface at a temperature of 0°C. How much heat was lost if the unfrozen pond is 1 m deep and 50 m on each side?
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Physics
Guest
How are breeder reactors different from nuclear reactors
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Physics
Paige Hayden
How many visable impact craters does the moon contain?
A. 586
B. A million or more
C. None
D. A few
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Physics
Halle Roberts
At the beach, differences in temperatures create wind which transfers heat between the land and the water. The same process is also seen in the ocean as the gulf stream carries heat from the tropics northward. Heat transfer through any intermediate fluid is known as A) condensation. B) conduction. C) convection. D) radiation.
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Physics
Angelica Rhodes
A man has a mass of 110 kg. What is his weight?
A. 110N
B. 1325 N
C. 559 N
D. 1078 N
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Physics
Grumpy
What is the major problem to overcome before fusion will produce usable energy?
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Physics
Jaden Owens
Current 3A for 5S = ?
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Physics
Villa
An uncharged conductor has a hollow cavity inside of it. Within this cavity there is a charge of + 10 µC that does not touch the conductor. There are no other charges in the vicinity. Which statement about this conductor is true?
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