1.

when maggie applies the brakes to her car, it slows uniformly from 15.0m/s to 0.0m/s in 2.50s. How many meters before a stop sign must she apply her brakes inorder to stop at the sign

Answer»

ANSWER:

Find the ACCELERATION using:

v

=

u

+

a

t

0

=

15

+

(

a

×

2.5

)

a

=

6

m/s

2

Now USE:

s

=

u

t

+

1

2

a

t

2

s

=

15

×

2.5

0.5

×

6

×

2.5

2

s

=

18.75

m

please mark it as a BRAINLIST answer



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