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Gre4nikov [31]
2 years ago
9

What does velocity tell about movement

Physics
2 answers:
alina1380 [7]2 years ago
8 0
Velocity is object's movement but it has direction because it's a vector! 
Kaylis [27]2 years ago
3 0
<span>Velocity tells you what speed a moving object travels at and in what direction.</span>
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Particle accelerators make it easy for scientists to study what?
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A certain car traveling in a straight line path has a velocity of +10.0 m/s at some instant. after 3.00 s, its velocity is +6.00
makvit [3.9K]
The formula is:
v = v o + a t
6 = 10 + 3 * a
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3 years ago
4. Una cuerda de acero de piano mide 1.60 m de longitud y 0.20 cm de diámetro. ¿Cuál es la tensión en la cuerda si se estira 0.2
bazaltina [42]

Answer:

1030.83\ \text{N}

Explanation:

\Delta L = Cambio en la longitud de la cuerda = 0.25 cm

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d = Diámetro de la cuerda = 0.2 cm

L = Longitud original de la cuerda = 1.6 m

El cambio de longitud de una cuerda viene dado por

\Delta L=\dfrac{TL}{AE}\\\Rightarrow T=\dfrac{\Delta LAE}{L}\\\Rightarrow T=\dfrac{0.25\times 10^{-2}\times \dfrac{\pi}{4}(0.2\times 10^{-2})^2\times 210\times 10^9}{1.6}\\\Rightarrow T=1030.84\ \text{N}

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2 years ago
A variable that is not changed.
AleksAgata [21]

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A controlled variable does not change during a experiment

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it's c

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