Question

Brianna weighs 425 N. She climbs a flight of stairs to a height of 8 m. It takes her 6 seconds.

How much work does Brianna do when she climbs the stairs?

A.
71 J

B.
53 J

C.
2550 J

D.
3400 J

Answer 1

@NathanKinser

Answer 2

I think D

Answer 3

A joule = Nm therefore one joule = 1/m Newtons or 1 N for I meter or 2 N for 1/2 meter, or 5 N for 1/5 meters or 1/2 N for 2 meters.

Answer 4

So, i'm right?

Answer 5

i dont know exactly...but i would say C.... if im wrong then you're right

Answer 6

Thanks

Answer 7

what was the answer?

Answer 8

D

Answer 9

okay cool learn something new everyday :)