Posted by Anonymous on Sunday, January 9, 2011 at 5:24pm.
Ninja usually weighs 80 kg. He ate 5 kg of cookies over the Holiday Break: a. What is his weight? and B. How can ninja use physics to lose weight?

Physics 11th Grade  bobpursley, Sunday, January 9, 2011 at 5:26pm
Ridiculous question. Over two weeks, someone had to have addition fluids, food, and eliminated wastes.

Physics 11th Grade  ali, Tuesday, January 25, 2011 at 7:15pm
the total kg would be 85 kg. then multiply by 9.8 to find fg. to lose weight he has to have a downward acceleration ( push downwards on a countertop while standing on the scale).

Physics 11th Grade  c:, Wednesday, February 23, 2011 at 8:13pm
Lets say that ninja gained those 5kg's of weight over the break. Then he would now weigh 85kg.
Weight is Mass multiplied by gravity.
W=Mg
85 is your mass and 9.8 is gravity on Earth.
85*9.8=833
That is the answer to A. c:
Ninja can loose weight by, as Ali said, pushing downwards on a countertop. He can gain weight by standing on one foot.

Physics 11th Grade  Priyanka Paliwal, Saturday, June 4, 2011 at 8:16pm
Why does a person sitting in one train think that the other train is at rest, when both the trains are moving on a parallel tracks with the same speed and in the same direction?
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