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Deffense [45]
3 years ago
7

Which of the following is proportional to the net external force acting on a body?

Physics
1 answer:
swat323 years ago
5 0
Well, Velocity is the speed of something in a given direction, and speed is the rate at which someone or something is able to more or operate. They both invlove speed, so this is a hard one, but I wold say either B or D
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Formula of relative displacement​
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How is the electromagnetic spectrum organized
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7 0
3 years ago
Which ONE of the following pairs of physical quantities consists of one scalar and one vector quantity?
lyudmila [28]

Answer:

speed and acceleration

Explanation:

speed is a scalar quantity

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7 0
2 years ago
We have seen that the voltage of a concentration cell can be affected by the concentrations of aqueous components and/or tempera
NemiM [27]

Answer:

1) Magnesium metal/magnesium ion

2) Aluminum/aluminum ion

3)  Copper metal/copper(l) ion

Explanation:

The activity series is a series that shows the ease of reactivity of substances in an electrochemical cell.

The substances that are higher up in the series are more reactive in electrochemical cells.

Magnesium is the first element in the series that has the most negative redox potential  then followed aluminium.

Hence, according to Nernst,

1) Magnesium metal/magnesium ion

2) Aluminum/aluminum ion

3)  Copper metal/copper(l) ion

5 0
3 years ago
What is the total number of pounds of carbon dioxide that 2 trees remove from the air each<br> year?
Vikentia [17]

Answer:

On average, one acre of new forest can sequester about 2.5 tons of carbon annually. Young trees absorb CO2 at a rate of 13 pounds per tree each year. Trees reach their most productive stage of carbon storage at about 10 years at which point they are estimated to absorb 48 pounds of CO2 per year.

5 0
3 years ago
Read 2 more answers
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