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4 years ago

If you drive through water, your brakes may become slippery and ineffective. To dry the brakes off, __________.

Physics

1 answer:

GenaCL600 [577]4 years ago

8 0

Answer:

Explanation:

Water at normal temperature is a good lubricant and will hinder the brake from working properly when the road is wet. To dry the brakes off, apply brakes gently as you accelerate. This will generate some heat that will evaporate the water with the help of friction.

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In the graph below, why does the graph stop increasing after 30 seconds?

stepladder [879]

Answer:

The answer is "Option C".

Explanation:

It's evident from the figure below that after thirty minutes, not no more hydrogen can be created because all of the reactants have converted into products.

hydrogen gas created in cm cubes per period x = 20 seconds, y = 45 centimeters squared, and so on.

A reaction's terminus (the graph's flat line) indicates that no further products are being created during the reaction.

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3 years ago

What is the normal force acting on a 2.8 kg object that is being dragged across a floor

enot [183]

Answer is in the file below

tinyurl.com/wpazsebu

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3 years ago

What does weighing less on the moon mean for astronauts on the moon?

AnnyKZ [126]

Answer:

Isaac Newton discovered that as an object's mass increases, the gravitational attraction of that object increases. Thus, the gravitational attraction on the Moon is much less than it is here on Earth, and a person weighs less on the Moon.

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2 years ago

A student needs to prepare 100.0 mL of vitamin C solution according to the directions in Part 1 of the experiment. S/he weighs o

Rudiy27

Answer:

4.99 mg of vitamin C are in the beaker.

Explanation:

Given that,

Weight of vitamin = 0.0499 g

Molar mass = 176.124 g/mol

Weight of water = 100.0 ml

We need to calculate the mg of vitamin C in the beaker

We dissolve 0.0499 g vitamin C in water to from 100.0 ml solution.

100 ml solution contain 49.9 mg vitamin C

Now, we take 10 ml of this vitamin C solution in breaker

Since, 100 ml solution =49.9 mg vitamin C

Therefore,

$10\ ml\ solution =\dfrac{10\times49.9}{100}$

$10\ ml\ solution =4.99\ mg$

Hence, 4.99 mg of vitamin C are in the beaker.

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3 years ago

How can speed be defined

Anna11 [10]

Explanation:

C) distance / time

.......

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3 years ago

Read 2 more answers