col7kings col7kings

03-04-2022
Physics

contestada

A car of mass 1200kg moving 90km/hr is brought to rest over a distance of 20m. calculate breaking force.

Respuesta :

col9kings col9kings

03-04-2022

Answer:

-18,750N

Explanation:

90x1000

-------------

3600

u=25m/s

v=0m/s

v^2=u^2+2as

v=0

=625+(2×a×20)

625+40a

-625=40a

a= -15.625 m/s^2

F=ma

=(1200)(-15.625)

= -18,750N

Answer Link

Otras preguntas

What main idea drove nations to form organizations such as nato, seato, and the oas?\?

How often should you typically monitor your checking account?

Which expression is equivalent to (3x^-4)(5x^-2)

In the given right triangle, find the length of the hypotenuse, AB, if BC = 6 and AC = 5.

English questions down below

An atom is chemically stable if its outer energy level (is filled with, contains no) electrons.

The governor's power is immediate and uncontested. True or False?

How did the Cold War begin and what weapons were used to fight in it?

Which organ system consists of the following levels of organization? kidney cells --> kidney tissues --> kidney A. excretory B. circulatory C. resp

Use eulers formula to find the missing number. Edges: 49 Faces:21 Vertices:? 30 32 26 28