pls help
give full explanation of u want to be BRAINLIEST
no silly answers plz
otherwise you will be reported
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retardation a=-5m/s²
time t=20m/s
initial velocity u=?
final velocity v=0m/s (train come to rest)
using Newton law of motion,
v=u+at
0=u+(-5x20)
u=100m/s
This is the required answer, because you have to use Newton law of motion.
time t=20m/s
initial velocity u=?
final velocity v=0m/s (train come to rest)
using Newton law of motion,
v=u+at
0=u+(-5x20)
u=100m/s
This is the required answer, because you have to use Newton law of motion.
mawbleiwelldone:
thanks
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