SOLUTION: 5. A comet is flying at a speed of 400 m/s when it reaches the earth’s orbit and starts accelerating toward the earth with a=30 m/s2 for time t=8 s. What is its final speed?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: 5. A comet is flying at a speed of 400 m/s when it reaches the earth’s orbit and starts accelerating toward the earth with a=30 m/s2 for time t=8 s. What is its final speed?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 387413: 5. A comet is flying at a speed of 400 m/s when it reaches the earth’s orbit and starts accelerating toward the earth with a=30 m/s2 for time t=8 s. What is its final speed?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
5. A comet is flying at a speed of 400 m/s when it reaches the earth’s orbit and starts accelerating toward the earth with a=30 m/s2 for time t=8 s. What is its final speed?
-------------------
30 m/sec/sec x 8 seconds = 240 m/sec
400 + 240 = 640 m/sec