This task is about using substitution to solve equations with given values.
Wikitoria found some mathematical equations in a textbook. For each equation she knew the value of all but one of the variables.
For the following equations, work out the value of the missing variable.
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a) |
The first equation gives a formula for the velocity (v) of a car. |
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where u = 20 t = 4 a = 9 |
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What is the value of v? __________ |
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| b) |
The next equation gives the force (F) on a ball that is being kicked. |
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where m = 5 |
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What is the value of F? __________ |
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