Question

Help PLease

Answer 1

M = kWH^2 / L

Answer 2

its this one , sorry

Answer 3

W = 1/4, H = 1/2 and L = 13 and maximum load M = 30 tons
so 30 = k*1/4 * 1/4 / 13

find constant k

Answer 4

i always get down to the last part then do not know how to finish

Answer 5

ok so its 12 instead of 13 right?
can you find k ?

Answer 6

yes one sec

Answer 7

5760

Answer 8

right

so the formula becomes

M = 5760WH^2
---------
L

Answer 9

yes

Answer 10

that is where i get stuck

Answer 11

so plug in values of W,H and L
and work ou M

Answer 12

quite easy

Answer 13

\[5760\times1/3\times(1/3)^{2} \over 11\]

Answer 14

thats it

Answer 15

19.4?

Answer 16

yes

Answer 17

omg haha. The example it gave me made it sound way more difficult than it was

Answer 18

yea its not difficult - the first part finds value of the constant to get the formula,
then its just a matter of plugging values into the formula

Answer 19

Thanks again

Answer 20

yw