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Sergio [31]
3 years ago
13

How do crystalline solids differ from amorphous solids?

Physics
1 answer:
LUCKY_DIMON [66]3 years ago
6 0
Crystalline crystals have sharp, well-defined melting points. Amorphous Solids don't have melting points.
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A supersonic airplane is flying horizontally at a speed of 2570 km/h. What is the centripetal acceleration of the airplane, if i
prisoha [69]

Answer:

6.33089870409 m/s²

708.5086 s

505796.417228 m

Explanation:

v = Velocity of the plane = \dfrac{2570}{3.6}\ m/s

r = Radius of turn = 80.5 km = 80500 m

Centripetal acceleration is given by

a_c=\dfrac{v^2}{r}\\\Rightarrow a_c=\dfrac{(\dfrac{2570}{3.6})^2}{80500}\\\Rightarrow a_c=6.33089870409\ m/s^2

Centripetal acceleration is 6.33089870409 m/s²

Time taken is given by

t=\dfrac{2\pi r}{v}\\\Rightarrow t=\dfrac{2\pi\times 80500}{\dfrac{2570}{3.6}}\\\Rightarrow t=708.5086\ s

The time taken is 708.5086 s

Distance covered will be the circumference

d=2\pi\times 80500=505796.417228\ m

The distance covered is 505796.417228 m

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3 years ago
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NeTakaya

Answer:

fully describe the force acting upon an object, you must describe both the magnitude (size or numerical value) and the direction. ... In contrast, 10 Newton, downward is a complete description of the force acting upon an object; both the magnitude (10 Newton) and the direction (downward) are given.

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