2 years ago

How far did Michael Phelps swim, if he swam at a speed of 10m/s in 30 seconds?

1 answer:

5 0

Answer: his total speed would be 3 seconds

Explanation: because if you mulimply 10 x 3 you get 30 meaning that your answer would be 3

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Katarina [22]

It bounces off one another and goes back in forth

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3 years ago

sveticcg [70]

Explanation:

If the fourth pupil has a mass of x, and the fifth pupil has a mass of x+5, then the mean mass is:

51 = (49 + 53 + 52 + x + x+5) / 5

255 = 159 + 2x

x = 48

x + 5 = 53

The fourth pupil has a mass of 48 kg.

The fifth pupil has a mass of 53 kg.

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3 years ago

eimsori [14]

Density is mass over volume: d=m/v
d = 393/50 => d = 7.86 g/ml

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3 years ago

expeople1 [14]

The displacement of Itzel according to the question is 6.3 miles SW

Displacement is defined as the distance moved by a body in a specified direction

Find the diagram attached

From the diagram given, we can see that AB is the displacement

To get the length AB, we will have to use the Pythagoras theorem:

$AB^2=2^2+ 6^2\\AB^2 ^2=4+36\\AB^2=40\\AB=\sqrt{40}\\AB= 6.3 miles\\$

From the diagram, we can also se that the direction of the displacement in the South West direction.

Hence the displacement of Itzel according to the question is 6.3 miles SW

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3 years ago

LuckyWell [14K]

Its 12>87+becasue i did ioty in my last period

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3 years ago