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Sonbull [250]
3 years ago
7

What is the best way to describe the rate of motion of an object that changes speed several times over a period of time is to ca

lculate
Physics
1 answer:
valentinak56 [21]3 years ago
4 0
It is to calculate the speed and the time.
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Answer:

19.3m/s

Explanation:

Use third equation of motion

v^2-u^2=2gh

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insert values to get answer

v^2-0^2=2(9.81m/s^2)(38/2)\\v^2=9.81m/s^2 *38\\v^2=372.78\\v=\sqrt[]{372.78} \\v=19.3m/s

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2 years ago
What are two ways electromagnetic waves are used in a home computer scanner?
miss Akunina [59]

Answer:

A and B

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A piston is filled with gas. When the pressure is increasing, what is happening to the volume? Assume that all other properties
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3 0
3 years ago
PLEASEEEEEE HELP
emmainna [20.7K]

Answer:

8.89 m/s² west

Explanation:

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t = 13.5 s

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0 m/s = a (13.5 s) + 120 m/s

a = -8.89 m/s²

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