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Alex787 [66]
2 years ago
10

si el valor de la masa 1 es de 76kg y rl coeficiente de friccion cinetica es de 0.37. ¿Cual seria el valor maximo de la masa2 qu

e se puede colgar en el sistema manteniondolo en reposo?
Physics
1 answer:
VladimirAG [237]2 years ago
8 0

Answer:

B

Explanation:

The answer is B

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while test flying the new f-22 raptor fighter jet, test pilot bob put the plane in a horizontal loop while flying at the speed o
sveticcg [70]

Given

v = 343 m/s

ac = 5g

ac = 5*9.8 m/s^2

ac = 49 m/s^2

where,

v: velocity

ac = centripetal aceleration

Procedure

We call the acceleration of an object moving in uniform circular motion—resulting from a net external force—the centripetal acceleration ac; centripetal means “toward the center” or “center seeking”.

Formula

\begin{gathered} a_c=\frac{v^2}{r} \\ r=\frac{v^2}{a_c} \\ r=\frac{(343m/s)^2}{49m/s^2} \\ r=2401\text{ m} \end{gathered}

The minimum radius not to exceed the centripetal acceleration is 2401 m.

8 0
1 year ago
Name 2 ways that sound waves and electromagnetic waves are different. Describe specifically.
Vlad1618 [11]

Answer:Sound waves are longitudinal waves that is, are transmitted in the same direction of oscillation of the particles in the medium. Electromagnetic waves are transverse ie, the electric and magnetic fields, which are perpendicular to each other, oscillate perpendicularly to the direction of wave propagation.

Explanation:

6 0
3 years ago
Need help asap pls
Zinaida [17]
B. third

for every action there is a reaction*
6 0
2 years ago
What is the pooled variance for the following two samples?
Snowcat [4.5K]
I think it is B as 168/20
4 0
3 years ago
Which of the following best describes Earth's crust, according to the theory of plate tectonics?
FrozenT [24]

Answer:

the Earth's crust is broken into about 12 plates that float on hotter, softer rocks in the underlying mantle

Explanation:

8 0
3 years ago
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