Answer:
Explanation:
Assume that the distance travelled initially is d.
In order to stop the block you need some external force which is friction.
If we use the law of energy conservation:
a)
Looking at the formula you can see that the mass doesn't affect the distance travelled, as lng as the initial velocity is constant (Which indicates that the force must be higher to push the block to the same speed) therefore the distance is the same.
b) If the velocity is doubled, then the distance travelled is multiplied by 4, because the distance deppends on the square of the velocity.
Index of refraction of a substance =
(speed of light in vacuum) / (speed of light in the substance)
Index in quartz = (2.9979 x 10⁸ m/s) / (2.0567 x 10⁸ m/s)
<em>Index = 1.4576 </em> (no units)
Explanation:
Filtration is used to separate mixtures containing materials of relative size differences.
They are typically used to separate solid-liquid mixtures.
- The filter system must have been used in the experiment to separate filtrates and collect them in the reaction.
- The liquid passes through the filter and leaves behind the solute or suspension in the filter.
- The fluid that passes through the filter is the filtrate.
- This is a separation technique used for most solid - liquid mixtures in which the solid is not soluble.
- An example is sand and water mixture.
learn more:
Filtration in the kidney brainly.com/question/9331823
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2 molecules of zinc chloride and 2 molecules of hydrogen chloride
Answer:
the fundamental resonant frequency is 95.76 Hz
Explanation:
The computation of the fundamental resonant frequency be is given below:
= 1.34 m - 0.442 m
= 0.898 m
Now
Now the fundamental resonant frequency is
= 95.76 Hz
hence, the fundamental resonant frequency is 95.76 Hz
