Physics, 30.09.2019 11:50 lollyp5439
An electric current is created in a long thin wire. how will increasing the current and changing the direction of the current effect the direction that a compass placed under the wire will point?
a)
it compass will spin continuously.
b)
the compass will flip exactly 180 degrees.
c)
the compass will spin exactly 360 degrees.
d)
the compass will not react and still point north.
Answers: 2
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Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure
Answers: 3
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Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.
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Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
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Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
Answers: 2
An electric current is created in a long thin wire. how will increasing the current and changing the...
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