+0  
 
0
759
1
avatar

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

 May 18, 2017
 #1
avatar+14865 
+2

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

 

\(v=a\times t\)

 

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

 

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

 

laugh  !

 May 18, 2017
edited by asinus  May 18, 2017

3 Online Users