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The weight of an object is taken to be the force on the object due to gravity. The weight ( W ) is the product of the mass ( m ) of the object and the magnitude of the gravitational acceleration ( g ).
On Earth: g = 9.81 m/s²
m = 20 kg
W = m · g = 20 kg · 9.81 m/s² = 196.2 N
The size and shape of the continents help support the continental drift because they all most fit together like puzzle pieces
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Explanation:
Momentum is the mass of a moving body times its velocity. It can be transferred from one object to another
Answer:
Seismic waves are mechanical waves because they travel through the medium of the Earth.
Explanation:
