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~christina~

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**[SOLVED] vector notation and force and force Help- test this morning..**

## Homework Statement

A time dependent force F(t)= 20t N/s acts along the possitive y axis on a 4.00kg object. The object starts at the origin with the initial velocity

[tex]\vec{}v(0)= (1.00m/s)) \hat{}i-(1.00m/s) \hat{}j[/tex].

a) find the velocity of the object as a function of time.

b) find the position of the object as a function of time

c) what is the speed of the object at time t?

## Homework Equations

?? the ones given?

## The Attempt at a Solution

I have no idea where to start..it seems simple enough..

can someone please please please help me out?

by this morning to be exact..(I have a test)