The pressure of a boiler is 9.5 kg/cm2 (Pg). The barometer pressure on the atmosphere is 768 mm Hg. Find the absolute pressure in the boiler in kg/cm2.

+15-35=-20

going in opposite directions

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm

answer is slate

hope this