No products in the cart.

A car weighing 1000 kg and …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

A car weighing 1000 kg and travelling at 30 metre per second stops at distance of 50m disiner rating uniformly what is the force exerted on it by the brakes and what is the work done by the brakes
  • 2 answers

Ayush Raturi 5 years, 9 months ago

-450 kg joule

Yogita Ingle 5 years, 9 months ago

Mass= 1000
initial velocity= u= 30
final velocity= v= 0
distance= s= 50
as we know
v²= u²+ 2as
0²= 30² + 2 a 50
-900= 100a
a= -9

And F= ma
F= 1000 x -9
F= -9000N

W= Fs
W= -9000 x 50
= -450 KJ

http://mycbseguide.com/examin8/

Related Questions

What is ER??
  • 1 answers
WHAT IS UNIT OF LIFE
  • 3 answers
What are the parts of a flower
  • 2 answers

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Download myCBSEguide App