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torisob [31]
2 years ago
10

Does anyone know any sites that you can use for physics for like homework

Physics
1 answer:
UNO [17]2 years ago
5 0

Answer:

the app your on now is great and can ask anything

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Which of the following is not an assumption that scientists must make about the natural world
FrozenT [24]

Answer:

that its not natural

Explanation:

because its not natural they cant say that

3 0
3 years ago
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A particle moves according to the law of motion s(t) = t^{3}-8t^{2}+2t, t\ge 0, where t is measured in seconds and s in feet. a.
Aneli [31]

Answer:

Explanation:

Given

displacement is given by

s(t)=t^3-8t^2+2t

so velocity is given by

v(t)=\frac{\mathrm{d} s(t)}{\mathrm{d} t}

v(t)=3t^2-16t+2

(b)velocity after t=3 s

v(3)=3(3)^2-8\cdot 3+2

v(3)=19 m/s

(c)Particle is at rest

when its velocity will become zero

v(t)=0

i.e.  3t^2-16t+2=0

t=\frac{16\pm \sqrt{16^2-4\cdot 3\cdot 2}}{2\cdot 3}

t=\frac{16\pm 15.23}{6}

t=5.20 s    

8 0
3 years ago
Can someone please answer this, ill give you brainliest and your getting 100 points.
Licemer1 [7]
Nazca and South American plates
Hope it helps
7 0
2 years ago
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What is true of the water cycle?
Zina [86]

Answer:

D

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7 0
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Choose ALL that apply
Keith_Richards [23]
The answers a a,b, and d
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