[tex] \large\underline \mathcal{{QUESTION:}}[/tex]
13. A bicycle is travelling at speed of 8 m/s. After 4 seconds, bicycle's speed is 3 m/s. What is the acceleration of the bicycle?
- A. -1.25 m/s²
- B. 1.25 m/s²
- C. 2 m/s²
- D. 2.50 m/s²
[tex]\\[/tex]
[tex] \large\underline \mathcal{{SOLUTION:}}[/tex]
Using the formula of acceleration:
[tex]\sf{a=\frac{v_f-v_i}{t}}[/tex]
[tex]\sf{a=\frac{3m/s-8m/s}{4s}}[/tex]
[tex]\sf{a=\frac{-5m/s}{4s}}[/tex]
[tex]\sf{a=-1.25m/s^2}[/tex]
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[tex] \large\underline \mathcal{{ANSWER:}}[/tex]
