A car of mass 550kg accelerates steadily from rest to 25m/s in 30s.
a). What is its acceleration?
b). What resultant force produces this acceleration?
c). The actual force will be greater, why?
2 answers
I will be happy to check these for you, please show your thinking.
I think I have a little idea on Q.a) only.
F = ma
= 550 x 25
=13750N
so acceleration is
a = v - u/t
=25 - 0/30
=0.83 ms^-2
that's all i know. I don't know about Q.b and Q.c.
F = ma
= 550 x 25
=13750N
so acceleration is
a = v - u/t
=25 - 0/30
=0.83 ms^-2
that's all i know. I don't know about Q.b and Q.c.
1 answer