Finding the Surface Area of a Triangular Prism Ch
13 cm
2 cm
Which equation could be used to find the surface area
of the net of the triangular prism shown?
O SA = (1/2)(5)(12) + (5)(2) + (12)(2) + (13)(2)
O SA = (1/2) (5)(13) + (1/2) (5)(13) + (5)(2) + (13)(2)
+ (12)(2)
SA = (1/2)(5)(12) + (1/2)(5)(12) + (5)(2) + (12)(2) +
(13)(2)
SA = (2)(5)(13) + (5)(2) + (13)(2) + (12)(2)
12 cm
5 cm
5 cm
Intro
Done
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Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?