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Usimov [2.4K]
3 years ago
13

What is the person’s displacement for the trip? what is a vector quantity? give an example.

Physics
1 answer:
borishaifa [10]3 years ago
4 0

Answer:

+ 3.0 m

Explanation:

displacement is shortest distance from fixed point O in particular direction . in diagram shortest distance at end from O is 3 m and it is right of O so +. HENCE +3.0m

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Reactivity is the ability of matter that allows it to easily chemically combine with other substances.
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Please help with 5 & 6!
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About how many electrons are in 30 grams of water (H2O)?
jarptica [38.1K]

Hydrogen (H) has a molar mass of about 1.007 g/mol and has 1 electron.

Oxygen (O) has a molar mass of about 15.999 g/mol and has 8 electrons.

Then water (H₂O) has a total molar mass of about 18.015 g/mol and has 10 electrons.

30 g of water is the mass of

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5 0
3 years ago
An athlete runs at a constant velocity of 5.2 m/s. What is the velocity of the athlete relative to the ground?
dimulka [17.4K]

The relative velocity of the athlete relative to the ground is 5.2 m/s

The given parameters;

constant velocity of the athlete, V = 5.2 m/s

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The relative velocity concept helps us to determine the velocity of a moving object relative to a stationary observer.

The athlete is the moving object in this question while the ground is stationary.

The relative velocity of the athlete relative to the ground is calculated as follows;

V/V_g = V - V_g  = 5.2 - 0 = 5.2  \ m/s

Thus, the relative velocity of the athlete relative to the ground is 5.2 m/s

Learn more here: brainly.com/question/24430414

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Answer:

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Explanation:

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