A community for students.
Here's the question you clicked on:
 0 viewing
yrelhan4
 4 years ago
The driver of a car moving on a straight road applies brakes to come to rest, with a constant retardation 'a'. Assuming that the time of motion is more than 2 s, the distance covered by the car in secondlast second of its motion is
yrelhan4
 4 years ago
The driver of a car moving on a straight road applies brakes to come to rest, with a constant retardation 'a'. Assuming that the time of motion is more than 2 s, the distance covered by the car in secondlast second of its motion is

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Distance Travelled in nth Second \[Dn = u + \frac{ a }{ 2 }[2n1]\] Since the Question Talks about retardation \[Dn = u  \frac{ a }{ 2 }[2n1]\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[v = u at\] \[u = at\] t  1 = n t = n +1 u = a (n+1)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Nw Substitute the Value of u in the 1st equation

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[Dn = an + a  an + a/2 = 3a/2\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0secondlast second of its motion

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0let t be the total time
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.