Which statement BEST describes the causes of Motion 1 and Motion 2 shown in the image?
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Magnetism caused Motion 1, and gravity caused Motion 2.
Gravity caused Motion 1, and magnetism caused Motion 2
Electricity caused Motion 1, and gravity caused Motion 2.
D)
Electricity caused Namion 1, and magnetism caused Motion 2.
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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate