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[tex]\[ s = \frac{1}{2} a t^2 \][/tex]

Work out the value of [tex]\( s \)[/tex] when [tex]\( a = 0.9 \)[/tex] and [tex]\( t = 4 \)[/tex].

Sagot :

GinnyAnswer
To solve for the value of [tex]\( s \)[/tex] given that [tex]\( a = 0.9 \)[/tex] and [tex]\( t = 4 \)[/tex] using the formula

[tex]\[ s = \frac{1}{2} a t^2 \][/tex]

we proceed as follows:

1. Identify the given values:
- [tex]\( a = 0.9 \)[/tex]
- [tex]\( t = 4 \)[/tex]

2. Substitute the given values into the formula:

[tex]\[ s = \frac{1}{2} \times 0.9 \times 4^2 \][/tex]

3. Calculate [tex]\( t^2 \)[/tex]:
- [tex]\( 4^2 = 16 \)[/tex]

4. Multiply [tex]\( a \)[/tex] and [tex]\( t^2 \)[/tex]:
- [tex]\( 0.9 \times 16 = 14.4 \)[/tex]

5. Multiply the result by [tex]\( \frac{1}{2} \)[/tex]:
- [tex]\( \frac{1}{2} \times 14.4 = 7.2 \)[/tex]

Thus, the value of [tex]\( s \)[/tex] is:

[tex]\[ s = 7.2 \][/tex]
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