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3 years ago

10

Can someone please answer all parts?? Extra points for this one!

1 answer:

Brilliant_brown [7]3 years ago

6 0

<span>a)
Acceleration of stone = 10

Integrate:
So velocity = 10t

Integrate again:
So distance from starting point = 5t^2

Distance from ground = 450-5t^2

b)
450 - 5t^2 = 0

9.48 seconds

c) velocity = 10t

Put the time into this to give:

94.8 m/s

d.

Velocity = 10t + 5

Integrate again:

5t^2 + 5t

Solve
5t^2 + 5t = 450

Gives 9 seconds</span>

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