Which of these discoveries contradict components of Dalton’s atomic theory? Check all of the boxes that apply. Atoms contain sma
2 answers:
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Answer:
a. 25m
b. 25m
c. 35m
Explanation:
Given the distances walked as 15m east and 20m north:
Using Pythagoras Theorem, we calculate displacement as:
Hence, the resultant displacement is 25m
b. The distance from her start point is obtained by drawing a straight line from her final point to her initial point.
Given the distances walked as 15m east and 20m north:
Using Pythagoras Theorem, we calculate displacement as:
Hence, she is 25m away from her starting point.
c. The distance traveled is calculated by summing the total distance walked:
Hence, the total distance traveled is 35m
Answer:
D. The more the change in gravitational potential energy.
Explanation:
From Physics, we know that change in gravitational potential energy (), measured in joules, is directly proportional to change in height (
), measured in meters. Then, the higher her jump, the more the change in gravitational potential energy.
We cannot speak of elastic energy, since statement of the problem does not speak of any deformable system (i.e. spring) in any form.
Therefore, the correct answer is D.