Explanation:
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Gasoline is a mixture of compounds called hydrocarbons (compounds of hydrogen and carbon). It is obtained by purifying crude oil by fractional distillation. Gasoline is most commonly referred to as a mixture of compounds, therefore it is a mixture. Gasoline is composed of hydrocarbons combined with different concentrations of ethanol. <span>Pure substances can be either elements or compounds. </span>Mixtures<span> can be either</span>homogeneous or heterogeneous<span>. Another term for a </span>homogeneous mixture<span> is a solution. ... </span>Gasoline<span> is thus a blend of different compounds, so it is a </span>mixture<span>.</span>
Answer:
2s
Explanation:
Given parameters:
Acceleration of the truck = 15m/s²
change in Velocity = 30m/s
Unknown:
Time taken for the body to slow down = ?
Solution:
Acceleration is the rate of change of velocity ;
Acceleration = 
time = 
Now insert the parameters and solve;
time = 
= 2s
