Physics 590 Homework, Week 2
Physics 590 Homework, Week 2
Physics 590 Homework, Week 2
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d = 77.5 m/s * 5.0 s<br />
d = 387.5 m <br />
d = 3.9 x 10^2 m<br />
c) v f = v i + at<br />
v initial = 155 m/s<br />
a= -31 m/s^2<br />
t = 8.0 s<br />
v final = 155 m/s + (-31 m/s^2)(8.0 s)<br />
v final = 155 m/s – 248 m/s<br />
v final = -9.3 x 10^1m/s<br />
prob. 2.1.5<br />
A car with a velocity of 22. m/s is accelerated uniformly at the rate of 1.6 m/s2 for<br />
6.8 s. What is its final velocity?<br />
v f = v i + at<br />
v initial = 22 m/s<br />
a = 1.6 m/s^2<br />
t = 6.8 s
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