MEASURE VELOCITY OF FALLING OBJECT

 

     LIGHT PROBE AT DIFFERENT HEIGHTS, DROP BOX OR STANDARD SHAPE, GUIDELINE FROM CEILING AND MEASURE VELOCITY AT DIFFERENT HEIGHTS. NEED FISHING LINE

DETERMINE PE MAX, THEORICAL KE AT DIFFERENT HEIGHTS

BOWLING BALL WITH ROPE IN CENTER. DROP, PILLOW OR PADDING ON FLOOR TO ABSORB BUMP.

LADDER TO STAND ON TO DROP BALL.

LARGE INCLINE TO MEASURE ROLLING VELOCITY OF BALL AS WELL. MAKE OUT OF 2 X 4 NAILED TO L SHAPE

 

REPEAT WITH AIR TRACK AND USE AIR CARTS TO MEASURE AND DETERMINE PE TO KE.

 

PE = KE DEMO AND CONFUSER -   HINGED BOARD WITH CARD ON END. MEASURE HEIGHT DROPPED FROM

DETERMINE PE

DROP AND MEASURE VELOCITY AT END.  KE WILL BE WAY TO HIGH DUE TO ACCELERATION LARGER THAN GRAVITY

 

 

ELASTIC AND INELASTIC COLLISIONS

SHOW KE STAY SAME, USE AIR TRACK

SHOW MOMENTUM STAYS THE SAME

BOWLING BALL DOWN RAMP INTO ROW OF SITTING BOWLING BALLS

     KNOW VELOCITY AT END OF RAMP

     KETERMINE KE.

     FIND VELOCITY OF BALL AT END OF ROW

     DETERMINE KE OF BALL OFF END

     FIND MOMENTUM OF BOTH BALLS