The magnitude and direction of the object's displacement is 7 m and west direction respectively.
<h3>What is displacement?</h3>
The displacement of an object is the change in the position of the object. Displacement is a vector quantity because it has both magnitude and direction.
To find the sum of the vectors, we find the displacement of the vectors.
Initial position of the vector = 10 m east
final position of the vector = 3 m west
displacement of the vector = final position - initial position
displacement of the vector = 3 m - 10 m
displacement of the vector = - 7 m
magnitude of the displacement = 7 m
direction of the displacement = west
Thus, the magnitude and direction of the object's displacement is 7 m and west direction respectively.
Learn more about displacement here: brainly.com/question/2109763
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Answer:
Yes true SI unit is better as it applies same over international level ..
Answer:
Work is done by the heart on the blood during this time is 0.04 J
Explanation:
Given :
Mass of blood pumped, m = 80 g = 0.08 kg
Initial speed of the blood, u = 0 m/s
Final speed of the blood, v = 1 m/s
Initial kinetic energy of blood is determine by the relation:
Final kinetic energy of blood is determine by the relation:
Applying work-energy theorem,
Work done = Change in kinetic energy
W = E₂ - E₁
Substitute the suitable values in the above equation.
W = 0.04 J
D. Mercury
Its year only takes 88 Earth days.
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Its fake some of its real like the space part and the traveling through space part but not the multi dimensional stuff