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notsponge [240]
3 years ago
9

About how often does a 1-kilometer object strike the earth? about how often does a 1-kilometer object strike the earth? every ye

ar every million years every billion years
Physics
1 answer:
sleet_krkn [62]3 years ago
3 0
I’m done with my homework done and I got to go to get my homework done and I got to go to get my homework done
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A 59kg child starting from rest slides down a water slide with a vertical height of 5.0m. what is the child's speed halfway down
KIM [24]
<span>EP (potential energy) = mgy -> (59)(9.8)(-5) = -2,891
   EP + EK (kinetic energy) = 0; but rearranging it for EK makes it EK = -EP, such that EK = 2891 when plugged in.
   EK = 0.5mv^2, but can also be v = sqrt(2EK/m).
   Plugging that in for sqrt((2 * 2891)/59), we get 9.9 m/s^2 with respect to significant figures.</span>
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3 years ago
At a certain location, a gravitational force with a magnitude of 350 newtons acts on a 70.-kilogram astronaut. What is the magni
creativ13 [48]

Answer:

3. 5.0N/kg

Explanation:

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The set of frequencies of the electromagnetic waves emitted by the atoms of an element is called
VLD [36.1K]

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The set of frequencies of the electromagnetic Waves emitted by the atoms of an element is called emission spectrum.

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3 years ago
What forces act to pull the poles of a magnet together, or to push them apart?​
masya89 [10]

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Gravity,

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Paraphin [41]
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