3 years ago

Sleepwalking, night terrors, and restless leg syndrome are all examples of what?

Physics

1 answer:

boyakko [2]3 years ago

4 0

Your answer in sleep insomnia, or the inability to affectively sleep

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A particle moving along the y-axis has the potential energy u =4y3j, where y is in m. what is the y-component of the force on th

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Potential energy is given as

$U = 4y^3$

now as we know that force is related by potential energy by the formula

$F = - \frac{dU}{dy}$

So it is gradient of energy with position in Y

$F = - \fracd(4y^3}{dy}$

$F = -12y^2 \hat j$

Now at y = 0

$F = 0 N$

at y = 1

$F = - 12*1^2$

$F = - 12 N$

at y = 2

$F = - 12*2^2$

$F = - 48 N$

so above is the forces at given positions

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3 years ago

Name 7 characteristics that are unique to mammals.

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Mammals are endothermic vertebrates
Have hair and fur on the body
Have mammary glands
Four chambered hearts
Have sebaceous (fat secreting glands), sudoriferus (sweat), and scent glands.
Have heterodont dentation (different types of teeth)
Posses diaphragm
Posses one single jaw bone
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3 years ago

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A football player kicks a field goal from a distance of 45 m from the goalpost. The football is launched at a 35° angle above th

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2 years ago

What are the 3 parts of an atom and give the electric charge of each

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Proton
charge +

electron
charge -

neutron
charge neutral