Answer:
(-1,0) (0,-1)
Step-by-step explanation:
I used a graphing calculator app called Demos. Sorry I can't anymore then this. Hope the graph helps though!
Amplitude of y=-2 sinx
1 answer:
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t=0, d=0 so ans B is wrong
t=0, dd/dt <0 as it is propelled downward so ans C is wrong
ang vel = 2 / period
= 2 / 4.5
= 4 / 9
so D is the correct answer