# Posts by Jackk

Total # Posts: 9

**physics**

Car a starts from rest and speeds up with constant accelleration until it reaches its max speed. Car b starts from rest, at the moment car a is at max speed, and speeds up with constant acceleration. How much time elapses between when car b starts moving, and car b passes car ...

**algebra**

Is this set a subspace of R3 or not? Explain why or why not. Span{[1 2 1],[-1 1 3]} I've tried to do a three variable three unknown equation to solve for the scalars for each of the vectors but when doing it got very wrong numbers.

**english speech**

is there anything else i need for my speech

**english speech**

should it be around one page

**english speech**

yeah im writing it word for word like im going to say it and then make flash cards

**english speech**

i'm typing down a speech that i need to prepare for english, how much should i write for a 5 min speech

**Physics**

so would A) fgnq3o;4y96983pgdisp8y8t475-65;7-9 B) gqfg-r;r-7[9=]7=y63640687kh c) jhgwg-906490-19384658302((*&^%$#@ right?

**Precalc**

Fred hits a baseball 3 ft above ground at a velocity of 100 ft per sec and at an Angle of 45 degrees with respect to level ground. The path of the baseball is given by the function f(x)=-0.0032x^2+x+3 where f(x) is the height of the baseball in ft and x is the distance from ...

**math**

PLease help! anyy would be appreciated !thx what is an example of a quadratic function that touches its axis and also its reciprocal? -discuss about the vertical asymptotes of the reciprocal an why they occur? -what can we say about the vertex of the quadratic and ...