Posted by anonymous on Wednesday, February 6, 2013 at 3:25am.
ANSWER IS 1CM. SOLUTION TOTAL MECHANICAL ENERGY= TO K.E+P.E =0.5MASS VSQUARE+MASS GH
K.E TOP +P.E TOP= K.E BOTTOM +P.E BOTTOM
0+0.5MVSQUARE=M(9.81)(0.1)
V=1.400 MASS M/SEC
90% LOSE OF ENERGY
M.E=MASS(G)(H) @ THE TOP
M.E=MASS (9.81)(0.1)
M.E=MASS 0.981
REDUCTION OF 90% DURING BOUNCE
M.E= MASS 0.981-MASS 0.981(0.9)
M.E= MASS 0.0981
MASS 0.0981=MASS (9.81)(H)
H=0.01M OR 1CM
edsel salariosa
ANSWER IS 1CM. SOLUTION TOTAL MECHANICAL ENERGY= TO K.E+P.E =0.5MASS VSQUARE+MASS GH
K.E TOP +P.E TOP= K.E BOTTOM +P.E BOTTOM
0+0.5MassVSQUARE=Mass(9.81)(0.1)+0
V=1.400 MASS M/SEC
90% LOSE OF ENERGY
M.E=MASS(G)(H) @ THE TOP
M.E=MASS (9.81)(0.1)
M.E=MASS 0.981
REDUCTION OF 90% DURING BOUNCE
M.E= MASS 0.981-MASS 0.981(0.9)
M.E= MASS 0.0981
MASS 0.0981=MASS (9.81)(H)
H=0.01M OR 1CM
since the mass of a object doesn't given you can cancel both side of the equation and you can find the height
edsel salariosa
research and development engineer
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