Subductions causes the ocean floor to sink into deep-ocean trenches and
the earths plates move apart from molten rock or magma ana the earths
crusts rises a departs.
The average speed is a scalar quantity. The average speed of the skier is 10 km/hrs.
<h3>
What is the average speed?</h3>
It is calculated by dividing the total distance by the total time elapsed.
The

Where,
= average velocity
= displacement = 7.5 km
= change in time = 45 min = 0.75 hours
Put the values in the formula,

Therefore, the average speed of the skier is 10 km/hrs.
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Answer: People are not affected by the gravitational force of cars and buildings because their masses are too small to exert a strong enough force for people to feel.
Explanation: The weak gravitational forces of cars and buildings are insignificant compared to the gravitational force of Earth.
Answer:
This came to mind
Explanation:
when a cannon fires (in real life or in the movies) have noticed that the cannon recoils, sliding backwards after the explosion. Again, a non-zero net force on the cannon changes its momentum.
Answer:
plateau, mountains, hills, plains