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aniked [119]
3 years ago
10

Am i the only one getting a red text saying my question is mean?

Chemistry
1 answer:
Triss [41]3 years ago
8 0

Answer:

I dont know

Explanation:

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A cheetah can run 112km/h over a 100-m distance. what is this speed in meters per second
Naya [18.7K]
First convert the 112 km/hr ratio into m/s (meters per second). To do this you multiply 112 km with 1000 m/km (since there's 1000 m in one km). You get 112000 m. Then multiply 1 hr with 60 min/hr (since there's 60 min in one hr. You get 60 min, but you want seconds, so multiply 60 min with 60 s/min to get 3600 s. There you go! Your answer is the speed of 112000m/3600s, but you can simplify that to 31.11m/s (since the answer should be in ? meters per 1 second.

Also, the "100-m-distance" part of the question is just to throw you off, because one particular speed obviously stays constant over any distance. Hope that helps :)
7 0
4 years ago
A bowling ball is let go from a height of 30 cm. What is the velocity of the
marishachu [46]

Answer:

The answer is 0.30 m/s

Explanation:

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6 0
3 years ago
The scientific name for water is H2O because it contains:_________
andrey2020 [161]

Answer:

a

Explanation:

Each oxygen molecule has 2 hydrogen molecules

6 0
3 years ago
The compound sodium carbonate is a strong electrolyte. Write the reaction when solid sodium carbonate is put into water:
Ludmilka [50]

The compound sodium carbonate is a strong electrolyte because it completely dissociates when placed in water into its component ions. The equation of the reaction can be expressed as:

Na_2CO_3_{(s)} ---> 2 Na^+_{(aq)} + CO_3^{(2+)}_{(aq)}

The dissociation leads to the formation of sodium and carbonate ions with the latter held together by its internal covalent bond.

This is unlike weak electrolytes that do not dissociate completely in water or aqueous solutions. Only a small fraction of the solute exists as ions in the solution.

More on strong and weak electrolytes can be found here: brainly.com/question/3410548

7 0
3 years ago
Suppose you need to heat food. What wave type from the electromagnetic spectrum could you use?
N76 [4]

Answer:

Microwave radiation

Explanation:

This radiation is the one used in microwaves.

8 0
3 years ago
Read 2 more answers
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