A force of -9000 N is used to stop a 1500 kg car travelling at 20 m/s. What braking distance is needed to bring the car to a halt?

Show more Show less

Answer


Madison

Newton's second law: F = m x a

(=) -9000 = 1500a
(=) a= -6 m.s-2

When the car stops, velocity = 0 and the car's initial speed is 20 m/s

V0 = initial veloc.
V = final veloc.

s=1500x(20)^2/(2x9000)

=33.33m

Need homework help now?

Ask your first question for free

Ask question
tutors online

Related Questions

Log In


OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit