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3 years ago

10

ANSWER FAST PLZZ!!

1 answer:

Dahasolnce [82]3 years ago

3 0

Answer:

See the answer below

Explanation:

The two correct options are:

1. <em>The student traveled the fastest between 4 and 5 minutes</em>

<em>2. The average speed of the student is 4 meters per minute</em>

Between 4 and 5 minutes, the approximate distance of 7 meters covered by the student is the longest of all the distances covered per minute. Since speed is a measure of distance covered relative to time, <u>it means that the student traveled the fastest between these periods.</u>

<em>The average speed is calculated by dividing the total distance traveled by a body by the total time taken to cover the distance. </em>

From the graph:

Total distance covered = 20

Total time taken = 5

Average speed = 20/5 = 4 meters per minute

<em>All the remaining conclusions are incorrect or indeterminate going by the information on the graph.</em>

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Answer:

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Explanation:

m = Mass

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h = Height

$W=mgh\\\Rightarrow W=0.537\times 9.81\times (5.88-1.98)\\\Rightarrow W=0.537\times 9.81\times 3.9\\\Rightarrow W=20.54\ J$

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Gravitational potential energy of the basketball, relative to the ground, when it is released is 30.97 J

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Gravitational potential energy of the basketball, relative to the ground, when it is released is 10.43 J

Change in gravitational potential energy

$\Delta U=10.43-30.97=-20.54\ J$

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Explanation:

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