2m/s
Explanation:
Given parameters:
Distance traveled = 60m
time taken = 30seconds
Unknown:
Speed of skateboarder = ?
Solution:
Speed is the rate of change of distance with time taken. It is a scalar quantity that only revers magnitude;
Speed =
Speed = = 2m/s
learn more:
Speed brainly.com/question/1548911
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The answer is 50 kg plz mark as brainliest
<span>Colligative
properties depend on the amount of solute dissolved in a solvent. These set of
properties do not depend on the type of species present. These properties
include freezing point depression, boiling point elevation, osmotic pressure and
vapor pressure lowering.<span> The one that would have the highest freezing point would be the sucrose (FIRST OPTION) since its vant hoff factor is 1. Hope this answers the question.</span></span>