- #1

- 163

- 0

**Finding velocity after collision if you know mass and height. Help!!**

## Homework Statement

A 50 gram ball enters a a pendulum with mass 200 g. The pair then swings up to a height of 11 cm.

find the velocity immediately after the collision? Then find initial velocity of ball before collision.

## Homework Equations

Vf= square root of 2gh.

## The Attempt at a Solution

Used above equation and got 14.7 which proved incorrect. Any help would be nice! Thanks!!