The man is holding the suitcase at the same height above the surface of earth. So the gravitation potential energy remains the same.
<span>work done is force * displacement = weight * 0 = 0</span>
Explains how and why nature does<span> what it </span>does<span>. ... A </span>scientific<span> law is a statement based on repeated experimental observations that ...
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Answer:
given,
R = 2i + j+3k
a) magnitude in x = 2
y = 1
z = 3
b) magnitude of R
R = 3.74 units
c) angle between the R and the x, y, and z axes.
θ x = 57.72°
θ y = 74.51°
θ z = 36.68°
Explanation:
The principle of uniformitarianism was proposed by James Hutton, a Scottish geologist to explain geologic processes and how they relate in space.
According to the principle "the present is the key to the past and geologic process occurring today have occurred in times past. ".
- Saddled with this knowledge, geologists can understand and unravel how rocks form and how the earth has been sculpted.
- Today, in some places on earth, we see volcanic activities.
- Such a place is on the Hawaiian Islands where hot plumes are coming to the surface.
- In like manner, the lava cools and solidifies to form new volcanic basalt.
- Using this knowledge, any geologist can unravel any igneous rock.
- From the activities in Hawaii, we know that past igneous rocks must have been formed by the cooling and solidification of magma.
- This the tenet of the uniformitarian principle.
learn more:
Continental drift brainly.com/question/5002949
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D. Was a leader in the woman's suffrage movement
