Question

1) what is the speed of the car at 4 seconds?
2)what is the acceleration of the car?
3)what is the distance covered in 5 seconds?​

Answer 1

Answer:

as, a=

dT

dV

and also slope=

dx

du

=

dt

dv

∴ slope=a=

4

10

=

8

20

∴a=

2

5

m/s

2

Now, S=ut+

2

1

at

2

∴S=0+

2

1

×

2

5

×64

S=80m

Explanation:

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