contestada

Name:
Mellisayang
Kinematics practice problems #1
1
A high school athlete runs 1.00 x 10 m in 12.20 s. What is the velocity in m/s and km/h?

Respuesta :

0.8m/s and 2.91km/hr
Ver imagen denteh2k
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Answer:

[tex]velocity = \frac{distance}{time} \\ velocity = \frac{10}{12.20} \\ velocity = \frac{50}{61} \\ multiply \: by \: 3.6u \: can \: convert \: to \: km \: per \: hour \\ velocity = \frac{50}{61} \times 3.6 \\ v = \frac{180}{61} \\ v = 2.95 \frac{km}{h} \\ thank \: you[/tex]