No, not correct.
Your work is nonsense.
F=ma find a
knowing a, a=(Vf-Vo)/time
solve for time, but change Vf to m/s first.
A heavy freight train has a mass of 11800 metric tons. If the locomotive can pull with a force of 691000 N, how long does it take to increase it's speed from 0 to 70.3 km/h?
20.36=V0+5.9x10^-3
=349.1 s
is this correct?
2 answers
oook but would that not be the same answer?
a=(20.36-0)/ t
t=20.36/.059
probably not how you rearrange it but all the other ways lead to numbers that are much too small
a=(20.36-0)/ t
t=20.36/.059
probably not how you rearrange it but all the other ways lead to numbers that are much too small
0 answers