MUSIC AND PHYSICS
PROJECTILES LAUNCHED HORIZONTALLY
WHEN OBJECTS ARE LAUNCHED HORIZONTALLY, IT UNDERGOES A DOWNWARD ACCELERATION. AS IT GOES DOWN, GRAVITY ACTS UPON THE OBJECT, CAUSING IT TO FALL WITH A CURVE. IT'S VELOCITY INCREASES AS WELL AS IT'S ACCELERATION. THE EQUATION USED TO FIND THE VERTICAL DISPLACEMENT OF THE OBJECT IS Y=0.5•g•t2 (Squared) WHERE G REPRESENTS GRAVITY AND T STANDS FOR TIME. THE UNIT OF MEASURE USUALLY USED FOR PROJECTILES LAUNCHED HORIZONTALLY IS M (METERS)
EXAMPLES IN MUSIC
ONE EXAMPLE OF PROJECTILES LAUNCHED HORIZONTALLY IS WHEN MUSICIANS STAGE DIVE! THE MUSICIAN WOULD BE THE OBJECT IN QUESTION. ONCE OFF THE STAGE, THE MUSICIAN WILL HAVE GRAVITY ACTED UPON THEM AND THEY WILL BEGIN TO FALL WITH A CURVE AS THEIR ACCELERATION AND VELOCITY INCREASES.
REVIEW QUESTIONS
1. KURT COBAIN JUMPS OFF A STAGE. IT TAKES HIM 3 SECONDS TO FALL INTO THE ARMS OF THE CROWD UNDER HIM. WHAT IS KURT'S VERTICAL DISPLACEMENT?
A: 45 M
2. WILL KURT LAND EXACTLY WHERE THE EQUATION SAYS? WHY OR WHY NOT?
A: NO BECAUSE THE EQUATION DOES NOT TAKE AIR FRICTION INTO ACCOUNT
A: 45 M
2. WILL KURT LAND EXACTLY WHERE THE EQUATION SAYS? WHY OR WHY NOT?
A: NO BECAUSE THE EQUATION DOES NOT TAKE AIR FRICTION INTO ACCOUNT