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# physics

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a bobsled has a constant acceleration of 1.35m/s2 starting from rest. how fast is it going after 5.10s?

Guest May 18, 2017
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a bobsled has a constant acceleration of 1.35m/s2 starting from rest. how fast is it going after 5.10s?

$$v=a\times t$$

$$v=1.35\frac{m}{s^2}\times5.1s{\color{blue}=6.885\frac{m}{s}}\cdot \frac{km}{1000m}\cdot\frac{3600s}{h}=24.786\frac{km}{h}$$

$$The \ bob \ runs \ after \ 5.1 \ seconds \ at \ a \ speed \ of \ 6.885 \ \frac{m}{s}.$$

!

asinus  May 18, 2017
edited by asinus  May 18, 2017