Asked by Claudia

ok im doing my physics homework and we have to submit the answers online.
i keep getting these questions wrong and i only have one more try can someone please tell me how to work it?

a 2.5 kg otter starts from rest at the top of a muddy incline 94.6 cm long and slides down to the bottom in 0.50s.
What net external force acts on the otter along the incline? in units of N.




a 3.37 kg book is dropped from a height of 2.0m. The acceleration of gravity is 9.81 m/s^2.
what is its acceleration? in units of m/s^2
what is its weight? in units of N



a 2.70 kg block is in equilibrium on an incline of 23.3°
the acceleration of gravity is 9.81 m/s^2/
what is Fn of the incline on the block?
in units of N




A block with a mass of 5.8 kg is held in equilibrium on a frictionless incline of 27.0° by the horizontal force F
the acceleration of gravity is 9.81 m/s^2
what is the magnitude of F? in units of N
what is the magnitude of the normal force. in units of N












i have made diagrams of them to help me out. i was gonna post them here but its not allowed. maybe im doing the diagrams wrong>





Responses


physics - bobpursley, Wednesday, October 15, 2008 at 8:55pm
I would like to see your work.



physics - Claudia, Wednesday, October 15, 2008 at 9:01pm
ok, but how do i put it here if
when i try to post it it says:
You are not allowed to post internet addresses

i have scanned my diagrams and then uploaded them so i can post the html, so you can see my work.
could you tell me how can i post it if it keeps telling me that im not allowed to post internet addresses
Answered by bobpursley
Post the web address with spaces, such as this..


w w w . H o t s a u s a g e . D e f ?
Answered by Anonymous
F=mgCos(theta)2.27kgx9.8m/s^2Cos23.3
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