Physics, 01.11.2019 01:31 villafana36
Atruck traveling at a constant speed of 40.0 km/h applies its brakes and comes to a complete stop in 5.0 s.
a. convert the truck's constant speed from km/h to m/s.
b. draw a simple v-t graph of the truck stopping. use v = m/s.
c. calculate the average acceleration for the truck. what does this value mean?
d. the truck starts again and accelerates at a constant rate of 0.80 m/s2. beginning at the stopping point of the truck, extend the graph to show 10.0 s of this new constant acceleration.
e. after restarting, how much time does it take for the truck to regain its original speed of 40.0 km/h?
f. after restarting, how far does the truck travel before reaching its original speed of 40.0 km/h?
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