Question

a car travelling at 20km/h speeds up to 60km/h in 6 Seconds.What is its acceleration???​

Answer 1

Answer:

1.85

Explanation

U=20*5/18=5.55

V=60*5/18=16.66

A=v-u/t

A=16.66-5.55/6

A=1.85

Answer 2

Answer:

Here, Initial speed=20km/h

=20×1000m

______________

60×60 s

=5.55m/a

Final Speed=60km/h

=60×1000m

______________

60×60 s

=16.66m/a

Acceleration =?

time=6s

We know that: v=u+at

16.66=5.55+a×6

6a=16.66-5.55

6a=11.11

@=11.11/6

Thus,Acceleration =1.85m/s^2