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faust18 [17]
3 years ago
8

POINTS WILL BE GIVEN!! VVV SIMPLE IF YOURE A GENIUS

Physics
2 answers:
insens350 [35]3 years ago
6 0

Answer:

9

Explanation:

hope it helps

madreJ [45]3 years ago
3 0

Answer:

i dont know, I do not understand anything i.d.k

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A stone is launched vertically upward from a cliff 384 ft above the ground at a speed of 80 ft divided by s. Its height above th
goldenfox [79]

Answer:

2.5 seconds

Explanation:

s(t) = -16t^2 + 80t + 384

for

0≤t≤8

First we differentiate s(t) to get s'(t)

s'(t) = -32t + 80

Let us then find the critical point; thus we will equate s'(t) to zero and then search for values where s'(t) is undefined

s'(t) = -32t + 80 = 0

t = 80/32

t = 2.5 sec

Let us evaluate s at the critical points and end points

s(0) = -16(0)^2 + 80(0) + 384 = 384

s(2.5) = -16(2.5)^2 + 80(2.5) + 384 = 684

s(8) = -16(8)^2 + 80(8) + 384 = 0

Thus, the stone attains it maximum height of 684ft at at t=2.5s

3 0
4 years ago
How much heat is released when 12.0 grams of helium gas condense at 2.17 K? The latent heat of vaporization of helium is 21 J/g.
uranmaximum [27]
To determine the heat released by the process of condensation, we simply multiply the amount of the gas that condensed to the latent heat of vaporization. We do as follows:

Heat released = 21 J/g (12.0 g ) = 252 J of heat released
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3 years ago
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The reason Senators are in office for 6 years is...
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I think it’s answer 1 to separate senators fr om the whims or the general public
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Some people hang wet clothing outside to dry on warm sunny days. Use particle theory to explain how this technique works. What w
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Yes because even in the cold there is heat
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Kay [80]

The answers are; air, fuel, back, forward

The jet engine utilizes the principle that for every action force there is an equal reaction force in the opposite direction. When the exhaust from the combustion in the engine is ejected with great force backwards, the reaction force pushes the plane forward with an equivalent force.


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