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german
3 years ago
12

What is the most important ability of plants? To photosynthesis To have a cell wall To produce Carbon dioxide

Physics
1 answer:
Dafna11 [192]3 years ago
3 0

Answer:

oxygen

Explanation:

plants convert carbon dioxide into oxygen for animals to breathe in return we give the plants carbon dioxide.

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A 38.5kg man is in an elevator accelerating downward. A normal force of 343n pushes up on him. what is his acceleration?
alexira [117]

Answer:

<h3>The answer is 8.91 m/s²</h3>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

f is the force

m is the mass

From the question we have

a =  \frac{343}{38.5}  =  \frac{98}{11}  \\  = 8.909090...

We have the final answer as

<h3>8.91 m/s²</h3>

Hope this helps you

4 0
3 years ago
How many joules of work are done against a truck when a force of 50 N pushes it 1 kilometer away
ELEN [110]

Answer:

Work = 50,000 J

Explanation:

Work = force * distance

Given that,

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  • Distance = 1km = 1000m

Work = 50 * 1000

Work = 50,000 J

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