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Kazeer [188]
3 years ago
13

If the car still produces 8500N, but now it accelerates at only 4 m/s2 what is the MASS

Chemistry
1 answer:
Mashutka [201]3 years ago
6 0

Answer:

You can do that yourself, but there's a example question below. And, if for example, I just answer your question and you don't even try to answer. it dosent matter.

Explanation:Force=Mass x Acceleration  -or-  F=ma

where F is the force, m is the mass, and a is the acceleration. The units are Newtons (N) for force, kilograms (kg) for mass, and meters per second squared (m/s2) for acceleration. The other forms of the equation can be used to solve for mass or acceleration.

m=F/a and a=F/m Example:

Engineers at the Johnson Space Center must determine the net force needed for a rocket to achieve an acceleration of 70 m/s2. If the mass of the rocket is 45,000 kg, how much net force must the rocket develop?

Using Newton's second law, F=ma

F=(45,000 kg)(70 m/s2) = 3,150,000 kg m/s2 F=3,150,000 N Note that the units kg m/s2 and newtons are equivalent; that is, 1 kg m/s2

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Susan should follow PEMDAS,

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So, the first step should be, to solve the equation in the parentheses.

I hope this helps!
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how many moles of sodium are needed to react with sulfuric acid to produce 3.75 moles of sodium sulfate according to the followi
anastassius [24]
Hello!
<span>
You'll need to react 7,5 moles of Sodium with sulfuric acid to produce 3.75 moles of sodium sulfate
</span>
First of all, you need to balance the reaction. The balanced reaction is shown below (ensuring that the Law of Conservation of Mass is met on both sides):

2Na + H₂SO₄ → Na₂SO₄ + H₂

Now, all that you have to do is to use molar equivalences in this reaction applying the coefficients to calculate the moles of Sodium that you'll need:

molesNa=3,75moles Na_{2} SO_4* \frac{2 moles Na}{1 mol Na_{2} SO_4} =7,5 moles Na 

Have a nice day!
5 0
2 years ago
You have 255 mL of a 1.5 M solution, how much liquid do you need to BOIL AWAY to increase the molarity to 2.5 M?
Lera25 [3.4K]

Answer:

102ml

Explanation:

  1. by using the dilution formulae and then you slove for the second volume by making it subject of the fomular
  2. when you get it you then subtract the final volume that you got from the initial volume because they asked from the question what liquid do u need to boil away
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What happens when an electron absorbs energy?
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Gets exited and moves at a faster constant speed

7 0
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