Wednesday

April 23, 2014

April 23, 2014

Posted by **Becca** on Tuesday, November 14, 2006 at 10:39pm.

I don't know how I can add the 85 N to the 32 kg or if I can or how that works in an equation. Yikes.

The mass of the child is Weight/g = 8.7 kg. Add that to the mass of the cart to get Mtotal = 40.7 kg

The acceleration rate of the cart is

a = Force/Mtotal = 12/40.7 = 0.29 m/s^2

For the distance X moved in t = 3.5 s, use the equation

X = (1/2) a t^2

which assumes an iniital speed of zero.

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