When does magnetic force push objects apart?
A. never
B. when like poles of two magnets are f...
Physics, 16.04.2021 01:00 azelyanoel
When does magnetic force push objects apart?
A. never
B. when like poles of two magnets are facing each other
C. when opposite poles of two magnets are facing each other
D. when the objects are made of wood
Answers: 3
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What is the function of the commutator in a dc motor? a. to spin the magnet b. to change direct current into alternating current c. to change alternating current into direct current d. to spin the wire coil
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Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.
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The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg Β· s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
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Aball of mass 0.3kg is released from rest at a height of 8m.how fast is it going when it hits the ground? accleration due to gravity is g=9.8m/s
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