Moving Toy
Moving Toy
The position of a toy locomotive moving on a straight track along the x-axis is given by the equation?
x = t5− 6 t2 + 9 t ,
where x is in meters and t is in seconds.
The net force on the locomotive is equal to
zero when t is equal to
Answer in units of s.
need help………please……..
V=dx/dt=5t^4 -12t +9
acceleration=dV/dt=20t^3 -12
Force=mass x acceleration,mass can NOT be zero,
so, when acceleration is 0.
20t^3=12
t^3=12/20=3/5,
t=(3/5)^1/3=0.843seconds.
God bless you.
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Tags: animation, art, cool, design, flash, moving toy dog, moving toy dogs, moving toy horse, moving toy spiders, moving toys, moving toys for babies, moving toys for cats, moving toys for dogs
This entry was posted on Sunday, August 30th, 2009 at 11:04 am and is filed under Toys and Hobbies. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.