Question

Please help me? :)


Marco has a length of copper wire that he knows is 435 cm long. How many meters long is his wire?

4.35 m
0.435 m
43.5 m
4,350 m

Answer 1

Okay so do you know how to convert cm to meters?
1cm= 0.01 meters

Answer 2

umm so 435 times 0.01

Answer 3

Sorry I'm on my phone so I cant send picture! If you are going from a small measurement to a big one you multiply. If you go to a small to big you divide.

Answer 4

So you would have to divide

Answer 5

ok I got 43,500

Answer 6

Is mean if you go from big to small you divide sorry xD

Answer 7

Is mean if you go from big to small you divide sorry xD

Answer 8

ahaha I thought so haha so its 4.35

Answer 9

Yep! If I was on my computer I would send you a picture so you can remember :-)

Answer 10

could you help me on another one please and you should go on your computer

Answer 11

Okay

Answer 12

How much work is needed to lift a 56 N object to a height of 2.25 m?

58.25 N-m
225 N-m
42 J
126 N-m

Answer 13

I do not know much about this but I will try (^o^)

Answer 14

haha anything would help me you seem like a smarty so I think you could help me out

Answer 15

The amount of energy needed is proportional to the mass of the object AND also proportional to the height over which it is to be lifted. I think

Answer 16

Energy is force times distance, that is, weight times height.

Answer 17

ok I think I can do it I will msg you when I solve it thanks so much

Answer 18

I really don't know much so don't hold it to me xD

Answer 19

But no problem

Answer 20

haha thanks so muchh

Answer 21

Plus it is 3:46 in the morning ..my dog woke me up

Answer 22

wow you need to rest haha hope to talk with you again soon THANKSS btw

Answer 23

Np

Answer 24

umm you got skype mabey you can help me anothr time ?