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3 years ago

Why Ice Is Slippery?

2 answers:

8 0

Icy is slippery because when your hands make contact with the ice cube the heat from your hand already starts to melt the ice, and when it ice melts it becomes water and water isn't the easiest thing in the world to have a grasp on...

goldfiish [28.3K]3 years ago

3 0

Because ice is less dense than liquid water,
its melting point is lowered under high pressures.

A long standing theory says that this is what causes ice to be slippery:

As you step on it, the pressure of your weight causes the top layer to my into water.

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You are camping with two friends, Joe and Karl. Since all three of you like your privacy, you don't pitch your tents close toget

aleksklad [387]

Answer:

35.7 m

Explanation:

Let

$\mid A\mid=18.5 m$

$\mid B\mid=41 m$

We have to find the distance between Joe's and Karl'e tent.

$A_x=Acos\theta$

$A_y=Asin\theta$

Substitute the values then we get

$A_x=18.5cos23^{\circ}=17 m$

$A_y=18.5sin 23^{\circ}=7.2 m$

$B_x=41cos37.5^{\circ}=32.5 m$

$B_y=41sin37.5^{\circ}=-24.96 m$

Because vertical component of B lie in IV quadrant and y-inIV quadrant is negative.

By triangle addition of vector

$B=A+C$

$C=B-A$

$C_x=B_x-A_x=32.5-17=15.5 m$

$C_y=B_y-A_y=-24.96-7.2=-32.16\approx=-32.2 m$

$\mid C\mid=\sqrt{C^2_x+C^2_y}$

$\mid C\mid=\sqrt{(15.5)^2+(-32.2)^2}=35.7 m$

Hence, the distance between Joe's and Karl's tent=35.7 m

6 0

3 years ago

How high is the rocket when the canister hits the launch pad, assuming that the rocket does not change its acceleration?

aalyn [17]

There is too much information given, it's hard to understand exactly which variables are important in this problem.

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3 years ago

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harkovskaia [24]

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3 years ago

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r-ruslan [8.4K]

Answer:

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Explanation:

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Y_Kistochka [10]

Answer:

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3 years ago