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laiz [17]
3 years ago
7

If a hockey puck is made to slide along a straight line on a completely frictionless surface, which statement about the motion o

f the hockey puck is true? The hockey puck will come to a halt immediately. The hockey puck will continue moving with constant velocity along a straight line. The hockey puck will accelerate and continue moving in straight line. The hockey puck will continue moving in random direction. NextReset
Chemistry
2 answers:
JulsSmile [24]3 years ago
3 0
The hockey puck will continue in the same speed in a continues straight line
Art [367]3 years ago
3 0

Answer:

The hockey puck will continue moving with constant velocity along a straight line.

Explanation:

Friction decelerates the motion of a moving body. In the absence of friction on smooth surface an object in moving with uniform velocity will continue to move in a straight line until acted upon by some force. A rough surface has a higher friction and it will decelerate a moving object such that the object will not be able to travel very far in a uniform velocity but quickly come to halt.

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Taking into account the definition of molarity, the concentration of the solution is 0.855 \frac{moles}{liter}.

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

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Molarity is expressed in units \frac{moles}{liter}.

<h3>Molarity of NaCl</h3>

In this case, you have:

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Replacing in the definition of molarity:

Molarity=\frac{1.71 moles}{2 L}

Solving:

Molarity= 0.855 \frac{moles}{liter}

Finally, the concentration of the solution is 0.855 \frac{moles}{liter}.

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<u>brainly.com/question/9324116</u>

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