What is the shape of earth’s magnetic field most similar to?

a. a disk magnet
b. a bar magnet
c. a horseshoe magnet

which one?

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and ur welcm

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can be answered using momentum.

momentum = p

p1= mass1 * velocity1

p1 = p2

therefore

p1 = 6kg * 4m/s

p1 = 24kgm/s

p2=m2 * v2

24 kgm/s = 7kg * v2

v2 = 24 kgm/s / 7kg

v2= 3.42 m/s

c. magnitude and direction

wavelength divides in half and speed stays the same.