3.13x10 to the ninth power
Answer:
option (B) is the correct option.
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Answer:
Explanation:
What happens to the total amount of kinetic energy is that as the train of coaster train loses height, they tend to speed up, this makes their potential energy to convert to kinetic energy due to the height, and as the motion continues, there is continuous gaining and losing of height by the object and its speed.
Each time there is a gain in height, there is also a corresponding conversion of kinetic energy to potential energy and while for each loss of height, there is also a corresponding conversion of potential energy to kinetic energy and this is as a result of speed.
This illustrates the relationship between work and energy.
Answer:
The given statement concerning distance and displacement is true.
Explanation:
If any point travels along any path between two points A and B the distance it travels is the length of the actual path it travels.
Mathematically the distance between two points is the algebraic sum of the infinitesimal distances that the particle travels.
Mathematically
Displacement by definition is the shortest distance between the initial and final positions of the particle and is given by the straight line joining the two points.
Since a line is the shortest path that exists between 2 points thus it will be always smaller than any other path connecting the 2 points hence will be smaller than the distance.
While as if the object travels along a straight line without changing it's direction the distance in that case equals the displacement.