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GaryK [48]
4 years ago
11

The earth is composed of four layers three of these layers are solid and only one is liquid which layer exits in the liquid stat

e
A. Crust
B. Inner core
C. Mantle
D. Outer core
Physics
2 answers:
Vladimir [108]4 years ago
7 0

Answer:

The outer core is a liquid

Explanation:

The outer core is a fluid composed of iron and nickel

Illusion [34]4 years ago
3 0

Answer:

D

Explanation:

The outer core is liquid!

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v_{1}=2.2 \frac{m}{s} \\v_{2}=1.2 \frac{m}{s} \\m_{1}=m_{2}=m\\v_{fx}=1.6 \frac{m}{s} \\v_{fy}=?

Velocity in axis x the two balls come one from east and west

m_{1}*v_{1x}+m_{2}*v_{2x}=m_{1}*v_{fx1}+m_{2}*v_{fx2}\\m*(v_{1x}+v_{2x})=m*(v_{fx1}+v_{fx2})\\v_{fx2}=0\\v_{1x}+v_{2}=v_{f1}+0\\v_{fx1}=2.2 \frac{m}{s}+(1.2\frac{m}{s})\\  v_{fx1}=1 \frac{m}{s} \\

Velocity in axis y initial is zero so:

v_{y1}+v_{y2}=v_{y1f}+v_{y2f}\\v_{y1}=0\\v_{y2}=0\\v_{y1f}+v_{y2f}=0\\v_{y1f}=-v_{y2f}\\v_{y2f}=1.6\frac{m}{s}

v=\sqrt{v_{1fx}^{2}+v_{1fy}^{2}}\\ v=\sqrt{1^{2}+1.6^{2}}\\v=1.886 \frac{m}{s}

Angle is find using:

tan(β)=\frac{v_{fy}}{v_{fx}}

\beta =tan^{-1}*\frac{1.6}{1}=57.99

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