Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 7

**physics**

a train slows down from 104m/s to 76m/s with constant decceleration in 440m. 1) what is the acceleration of the train? 2) how long does it take the train to travel this distance? 3) plot the position, velocity and acceleration of the train during this time interval as a functi...

**physics**

a woman walks 2 km due east and then walks 4 km in the direction 30 degrees north of east. what is her magnitude of displacement from her starting point?

**Algebra**

10x+5=45

**calculus**

thank you.i am trying to sove for critical numbers. the book is giving me an answer of x=+square root 2/2 -

**calculus**

what are the steps to solve for x 2x^2-1/x^2=0

**MATH**

X=823 y=-212.25

**calculus**

f'(x^2)^2=?

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