Homework Help: physical

Posted by Zanele on Monday, February 21, 2011 at 3:44pm.

I hv been try to do but...calcu the GPE of a roller coaster car points B is 5m/C 3,2m nd C 9,8 also D...

physical - Zanele, Monday, February 21, 2011 at 3:50pm
Help me please
physical - Zanele, Monday, February 21, 2011 at 3:54pm
If a object has a w of 1060 calculate the mass
physical - Damon, Monday, February 21, 2011 at 4:19pm
I do not understand the first question.
In general U = m g h
m in kilograms
g is about 9.81 m/s^2 on earth surface
h is height in meters above some reference level, probably the ground here.

If a object has a w of 1060 calculate the mass

m g = 1060 Newtons I assume
m = 1060 /9.81 in kilograms

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