Homework Help: PHYSICS

Posted by Stacy on Tuesday, March 23, 2010 at 9:11pm.

RESPONDING TO AN ALARM, A 102 KG FIREMAN GETS UP FROM DINNER AND SLIDES DOWN A POLE TO THE GROUND FLOOR OF THE BUILDING, 3.3 M BELOW. THE FIREMEN STARTS AT REST AND LANDS ON THE GROUND FLOOR WITH A SPEED OF 4.2 M/S.

A.FIND THE FORCE EXERTED ON THE FIREMEN BY THE POLICE.
B.IF THE LANDING SPEED IS HALF THAT IN "PART A", IS THE FORCE EXERTED ON THE FIREMEN BY THE POLE DOUBLED? YES OR NO?
C.FIND THE FORCE EXERTED ON THE FIREMEN BY THE POLE WHEN THE LANDING SPEED IS 2.1 M/S.

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