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

Q. 58

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 290

Answers without the blur.

Just sign up for free and you're in.


Short Answer

The stoplight had just changed and a 2000 kg Cadillac had entered the intersection, heading north at 3.0 m/s, when it was struck by a 1000 kg eastbound Volkswagen. The cars stuck together and slid to a halt, leaving skid marks angled 35° north of east. How fast was Volkswagen going just before the impact?

The speed of Volkswagen just before the impact is

See the step by step solution

Step by Step Solution

Step 1: Given information

We need to the speed of Volkswagen going just before the impact.

Step 2: Analyze and calculate

Consider that Volkswagen is heading positive direction of and Cadilac is heading in a positive direction of . When they crash, their velocity is

From the law of conservation of momentum for and :

Recommended explanations on Physics Textbooks

94% of StudySmarter users get better grades.

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