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lisabon 2012 [21]
2 years ago
9

A 4300-N force from a car's engines produces an acceleration of 3.3 m/s2. What is the mass of the car?

Physics
1 answer:
sertanlavr [38]2 years ago
5 0

Answer:The net force acting on the car is 3×103 Newtons

Explanation:

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What do electrons in the same shell have in common? AThey have the same amount of energy incorrect answer BThey are all positive
Keith_Richards [23]

Answer:

They have the same amount of energy

Explanation:

Electrons are said to be the subatomic particles that move around the nucleus of an atom. These electrons are negatively charged particles that are seen to be quite smaller than the nucleus of an atom.  

The electron shells of these atoms are usually being filled from the inside out with the low-energy shells closer to the nucleus being filled before they can go into the much higher-energy shells that are a bit out

8 0
3 years ago
In which of the following elevator situations would the acceleration be positive. Select TWO answers
kap26 [50]

Both options 5 and 6

Explanation:

Let us consider option 5,

In option 5 body is moving up with initial velocity lower than that of final velocity which gets accelerated. Therefore the acceleration is positive in this case.

Let us consider option 6,

In option 6 body is moving down with initial velocity lower than that of final velocity which gets accelerated. Therefore the acceleration is positive in this case.

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3 years ago
A 48.0-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a velocit
Kipish [7]

Answer:

F = 47.6 N

Explanation:

  • Newton's 2nd law can be expressed as the rate of change of the total momentum, respect of time, as follows:

       F = \frac{\Delta p}{\Delta t}

  • So, in order to find the average force exerted by the skater on the wall, we can find the change in momentum due to the force exerted by the wall (which is equal and opposite to the one exerted by the skater), and  divide it by the time interval , as follows:

       F_{wall} = \frac{\Delta p}{\Delta t} =\frac{(48.0 kg*(-1.06m/s)}{1.07s} = -47.6 N

       ⇒ Fsk = 47.6 N (normal to the wall)

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3 years ago
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Maslowich

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Explanation:

6 0
2 years ago
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Identify where the solid would be found after distillation is complete.
dimaraw [331]

Bottom of the distillation flask

Explanation:

The solid in the mixture to be separate would be found at the bottom of the distillation flask.

Distillation is a separation technique for differentiating the components of mixtures based on the differences in their boiling points.

  • Distillation is used to recover solvents from solution.
  • The solutes are then left behind in the flask as the solvent boils out as vapor.
  • The solution is boiled in a distillation flask to vaporize the solvent.
  • The vapor is made to condense back into liquid by means of a condenser.
  • The pure liquid called distillate is collected in the receiver.
  • The solute which is the solid remains in the distillation flask

learn more:

Heterogeneous mixtures brainly.com/question/1446244

Pure substances brainly.com/question/1832352

#learnwithBrainly

8 0
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