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For safety reasons, if the child was on the tractor with him he could of fell of and hence sustain injuries or even death.

Cant believe it lmao

You've been living under a rock for too long. It's called moulding. It's like playdoh, you can make anything you want. If the question wants a cat, make a cat.

I memorized everything

Yoo can do it blroo~

Human Rights

You dont make angle POC as theta. Angle POA is theta, given from the diagram.

Do you have the answers? i want to make sure they are correct before posting up my working a) x=0 and x=4 b) center of motion , 2 c) max speed occurs when a=0 , v=2 ms d) a = 2-x

I cant concentrate when i'm tired esp. at night. I found that waking up early in the morning and reading works better for me

Not necessarily

^ yeah oops

You are required to know how to derive the six equations of motion.

lol

This, <a href="http://www.codecogs.com/eqnedit.php?latex=a = \frac{d}{dx}\left (\frac{1}{2}v^2 \right )" target="_blank"><img src="http://latex.codecogs.com/gif.latex?a = \frac{d}{dx}\left (\frac{1}{2}v^2 \right )" title="a = \frac{d}{dx}\left (\frac{1}{2}v^2 \right )" /></a>

<a href="http://www.codecogs.com/eqnedit.php?latex=\\v=0~,~when ~Rocket~ is ~at~ rest \\As~x \to \infty ~,~v\rightarrow 0 \\ v\neq 0 \\Thus, ~rocket~ never ~comes ~to ~rest" target="_blank"><img src="http://latex.codecogs.com/gif.latex?\\v=0~,~when ~Rocket~ is ~at~ rest \\As~x \to \infty...

<a href="http://www.codecogs.com/eqnedit.php?latex=\dpi{80} a=\frac{-80000}{x^2}~,~a=\frac{dv^2}{dx2} \\\\ \frac{dv^2}{dx2}=\frac{-80000}{x^2}~~ \rightarrow ~~\frac{v^2}{2} = \int -8000x^{-2} ~dx \\ \frac{v^2}{2} = \frac{80000}{x} @plus; K \\\\Applying~Initial~Conditions~,v=5,x=6400 \\...

You can free hand draw

From c you showed v^2 => ... Now if LHS=...*v^2 , it follows LHS must be =>...*v^2. Sorry im on my phone

Post your working

Kekekekekekekeke