Log In Start studying!
Answers without the blur. Sign up and see all textbooks for free! Illustration

Q.30

Expert-verified
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 155

Answers without the blur.

Just sign up for free and you're in.

Illustration

Short Answer

A 1500 kg car skids to a halt on a wet road where . How fast was the car traveling if it leaves -long skid marks?

The speed of the car at the moment it skidded is

See the step by step solution

Step by Step Solution

Step 1: Content Introduction

Velocity is a mechanical number that indicates the change in distance of an object in unit time in a specified direction. The metric unit is the meter per second. It explains how the thing moves.

Step 2: Content Explanation

Using Newton's second law

Here, is the gravitational force, is the mass, is the acceleration.

Substitute the values, where

Now

To find acceleration we use

The initial velocity , here

Most popular questions for Physics Textbooks

Icon

Want to see more solutions like these?

Sign up for free to discover our expert answers
Get Started - It’s free

Recommended explanations on Physics Textbooks

94% of StudySmarter users get better grades.

Sign up for free
94% of StudySmarter users get better grades.