Thursday

April 24, 2014

April 24, 2014

Posted by **Laura** on Sunday, May 22, 2011 at 6:52pm.

how long will it take a cyclist to bring a bicycle

with an initial speed of 14.5 m/s to a complete

stop?

Answer in units of s.

- Physics -
**Damon**, Sunday, May 22, 2011 at 7:16pmv = Vi + a t

0 = 14.5 - 2.2 t

t = 14.5/2.2

t = 6.59 s

next get the distance

x = Xi + Vi t + (1/2) a t^2

x = 0 + 14.5(6.59) - 1.1(6.59)^2

= 95.6 - 47.8 = 47.8 meters

wow, half a football field !

**Related Questions**

physics - With an average acceleration of −0.96 m/s2, how long will it ...

physics - With an average acceleration of −1.6 m/s^2, how long will it ...

physics - With an average acceleration of -.56 m/s2, how long will it take a ...

Physics - With an average acceleration of negative 1.2m/s squared, how long will...

phy - with an average acceleration of -0.50 m/s^2, ho wlong will it take a ...

Physics - 1) A physics book is moved once around the perimeter of a table of ...

Physics - A 70 kg bicyclist rides his 7.8 kg bicycle with a speed of 14 m/s. How...

Physics - 1. How is it that you could list five different speeds you are going ...

Physics - Hi guys, would appreciate some help with this problem: When a light ...

Engineering Physics - A car and a train move together along straight, parallel ...