Strider

10 Questions
16 Answers

+3

1256

4

+105

word problem

you and your brother are playing air hockey on the kitchen table, using your hands and your mother's china sugar bowl lid as the puck. you smack is towards your brother and he misses the block. the china lid slides off the table going 5m/s and sails across read more ..

Alan ●●●●

Strider Jul 3, 2014

0

1034

7

+105

Acceleration in mi/hr^

A car starts out going 17.88m/s and 10 seconds later is going 26.82m/s. what is its acceleration in mi/hr²?

Alan ●●●●●●●

Strider Jul 2, 2014

0

780

1

+105

do you guys also help with physics questions here? like.. Suppose you are making a 2D game like Joust with platforms at various heights. One

do you guys also help with physics questions here? like..
Suppose you are making a 2D game like Joust with platforms at various heights.
One platform is 8 meters above the ground.
If the player (on his ostrich) runs off the ledge at 10m/s without read more ..

Strider Jun 25, 2014

0

727

2

+105

Inverse Matrices

need some help with the formula.
E= 1 -1 1
7 -8 5
-4 5 3

Strider Jun 18, 2014

0

730

7

+105

quick question about cross product

when it comes to cross product..its a2b3-a3b2 ...now what happens if i don't have a b3/a3? does it just result in a total of 0?

Alan ●●●●●●●

Strider Jun 18, 2014

0

916

3

+105

Length of U . V

Watching videos on khan academy..hard to follow his length of a vector video. so need a bit of help here.
u= (1, 2, 3) v= (-2, 0, 1)
Find the legnth of u & v
i got ||u||= √1²+2²+3² =3.741 <#> ||v|| read more ..

Strider ●●●

Strider Jun 18, 2014

0

724

5

+105

Trig help!

so a triangle is 180 degress. i have a word problem and i can only seem to get as high as 176 degrees.
Problem
suppose you have a triangle where A=47(degrees), side b=7.00, and side c=3.59. Use cosine law to find side a, angle B and read more ..

heureka ●●●●●

Strider Jun 18, 2014

0

705

2

+105

quadratics

need some help. i cant figure out the next steps.
3x²+4x-2=0
-4√4²-4(3)(-2)
----------------
2(3)
-4√16 -4 (3)(-2) <#> ---------------- <#> 6
-4√12-6 <#> ---------------- <#> read more ..

Strider Jun 17, 2014

0

981

12

+105

Matrix Multiplication

A = 1 2 B = 2 6
3 4 -1 0
Solve the following:
AB + B
So heres my issue, i already solved AB. which = 0, 6, 2, 18. but now i dont know how to add the + B. read more ..

Melody ●●●●●●●●●●●●

Strider Jun 16, 2014

+16

1279

3

+105

thanks from a student who needs help!

hey everyone..find myself coming here often as an anon..so just made an account. appricate the help thats always been given. everyone is fairly friendly/paitent. i look forward to learning more! i am a student in video game desgin. so math is a big thing read more ..

Melody ●●●

Strider Jun 15, 2014