Chemistry: a body travels 10 meters during the first 5 seconds of its travel, and it travels a total of 30 meters over the first 10 seconds of its travel what i average speed during the time from t=5 seconds tot 10 seconds? a. b. 2 meters/second 3 meters/second c. 4 meters/second d. 5 meters/second e. 6 meters/second

a body travels 10 meters during the first 5 seconds

Ответ:

worstell

05.01.2022

Chemistry

$\large \boxed{\text{C. 4 m/s}}$

Explanation:

At 5 s the body has travelled 10 m.

Between 5 s and 10 s, the body reached 30 m.

Distance travelled = 30 m - 10 m = 20 m

Time = 10 s - 5 s = 5 s

$\text{Speed} = \dfrac{\text{ distance}}{\text{time}} = \dfrac{\text{20 m}}{\text{5 s}} = \textbf{4 m/s}\\\\\text{The average speed between 5 s and 10 s is $\large \boxed{\textbf{4 m/s}}$}$

a body travels 10 meters during the first 5 seconds of its travel, and it travels a total of 30 mete

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Ответ:

kittylover613

23.03.2020

Chemistry

Protons, an element can be identified by the number of protons in the nucleus of its atom.

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