Chapter 5b Lecture

# Chapter 5b Lecture - General Physics I Durig Lewis Question...

This preview shows pages 1–7. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: General Physics I Durig Lewis Question A ball, which is rolling along a table with a speed of 4 m/s, rolls off of the end of the table and falls to the floor. What is the ball’s speed (the magnitude of its velocity) the instant before it strikes the floor? a) 4.0 m/s b) 4.4 m/s c) 6.0 m/s d) 39 m/s e) None of the above 4 m/s 1.0 m Answer A ball, which is rolling along a table with a speed of 4 m/s, rolls off of the end of the table and falls to the floor. What is the ball’s speed (the magnitude of its velocity) the instant before it strikes the floor? Vertical Motion 4 m/s 1.0 m / y v m s = ? y v = 1.0 y m = y m = 2 9.81 / y a m s = - t Don't Care = x y Answer A ball, which is rolling along a table with a speed of 4 m/s, rolls off of the end of the table and falls to the floor. What is the ball’s speed (the magnitude of its velocity) the instant before it strikes the floor? Vertical Motion / y v m s = ? y v = 1.0 y m = y m = 2 9.81 / y a m s = - t Don't Care = t a v v y y y + = t v v y y y y ) ( 2 1 + + = 2 2 1 t a t v y y y y + + = ) ( 2 2 2 y y a v v y y y- + = Answer A ball, which is rolling along a table with a speed of 4 m/s, rolls off of the end of the table and falls to the floor. What is the ball’s speed (the magnitude of its velocity) the instant before it strikes the floor? Vertical Motion / y v m s = ? y v = 1.0 y m = y m = 2 9.81 / y a m s = - t Don't Care = ) ( 2 2 2 y y a v v y y y- + = 2 2 2( 9.81)(0 1) y v = +-- 4.429 / y v m s = - Answer A ball, which is rolling along a table with a speed of 4 m/s, rolls off of the end of the table and falls to the floor. What is the ball’s speed (the magnitude of its velocity) the instant before it strikes the floor?...
View Full Document

## This note was uploaded on 09/04/2008 for the course PHYS 201 taught by Professor Durig during the Spring '08 term at VCU.

### Page1 / 28

Chapter 5b Lecture - General Physics I Durig Lewis Question...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online