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dedylja [7]
3 years ago
6

If I want to accelerate a mass of 3 kg at 5 m/s2 then how much force should I apply?

Chemistry
1 answer:
Stolb23 [73]3 years ago
5 0

<u>Answer:</u> The force that must be applied is 15 N.

<u>Explanation:</u>

Force exerted on the object is defined as the product of mass of the object and the acceleration of the object.

Mathematically,

F=m\times a

where,

F = force exerted = ?

m = mass of the object = 3 kg

a = acceleration of the object = 5m/s^2

Putting values in above equation, we get:

F=3kg\times 5m/s^2=15N

Hence, the force that must be applied is 15 N.

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What is the mass of H2O produced when 14.0 grams of H2 reacts completely with 2.0 grams of O2?
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2 H2 + 1 O2 = 2 H2O

4 g H2  -------> 32 g O2 -----------> 36 g H2O
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32 * mass H2O = 2.0 * 36

32 * mass H2O = 72

mass of H2O = 72 / 32

mass of H2O = 2.25 g

hope this helps!.


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