anonymous
  • anonymous
As a skater descends his kinetic energy
Physics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
what r u meaning
anonymous
  • anonymous
I mean if a Skater decends, how is his kinectic energy affected??? Does it icrease decreas or remain the same????
anonymous
  • anonymous
it decreases

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anonymous
  • anonymous
What happens to his potential energy.. and is the change in kinetic energy greater than less than or equal to the change in potential energy...
JamesJ
  • JamesJ
descends in what sense? You mean falls vertically?
JamesJ
  • JamesJ
As just about anything falls, it increases speed and hence increases kinetic energy
JamesJ
  • JamesJ
And where does that energy come from? It comes from gravity. As the skater falls, he loses gravitational potential energy, nearly all of which is converted into kinetic energy.
anonymous
  • anonymous
so the kinetic energy would rise and the potential energy would fall right...
JamesJ
  • JamesJ
Yes
anonymous
  • anonymous
Is it possible for an object moving with a constant speed to accelerate
anonymous
  • anonymous
A girl pulls a 10-kg wagon with a constant force of 30 N. What is the acceleration of the wagon?
anonymous
  • anonymous
everything is possible
anonymous
  • anonymous
Assuming this skater doesn't fall, her velocity will increase, thus her kinetic energy will increase according to the equation:\[KE = 1/2 mv ^{2}\]
anonymous
  • anonymous
yes. a body having the modulus of velocity as constant may accelerate. consider a body moving with constant speed in a curved path. the direction of the body is continuously changing and thus velocity continuously changes which is nothing but acceleration.

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