if x(t)= (1-t)/(1+t) what is the acceleration at t=0?
a) -3/5
b) -4
c) 4
d) 2
e) -2

im terrible at these types of problems. i never understand where to start with them. i think you start by getting the second derivative but im not sure.

Question

if x(t)= (1-t)/(1+t) what is the acceleration at t=0?
a) -3/5
b) -4
c) 4
d) 2
e) -2

im terrible at these types of problems. i never understand where to start with them. i think you start by getting the second derivative but im not sure.

usukidoll · Answer

acceleration means second derivative... so you need to find the second derivative of x(t) and then plug in 0

usukidoll · Answer

ahem quotient rule

anonymous · Answer

sorry not watching this all the time doing it now.

anonymous · Answer

i got d) 2

usukidoll · Answer

@agent0smith helpD: my pc can't handle this crasi=hging

usukidoll · Answer

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