Question

3) Complete the following table,
u (m/s) a (m/s) t (sec)
v=utat (m/s)
2
4
3
20
5
2
I done on an nhiect moving with uniform círcu​

Answer 1

Explanation:

Initial velocity of automobile u=72 km/h=72×

18

5

=20 m/s

Final velocity v=0 m/s

Distance covered to stop S=20 m

Using v

2

−u

2

=2aS

∴ 0−20

2

=2×a×20

⟹ a=−10 m/s

2

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