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iogann1982 [59]
3 years ago
6

Ejercicio 1: Un cuerpo gira en un círculo de 8cm de diámetro con una rapidez constante

Physics
1 answer:
Lera25 [3.4K]3 years ago
8 0

Answer:

Exercise 1;

The centripetal acceleration is approximately 94.52 m/s²

Explanation:

1) The given parameters are;

The diameter of the circle = 8 cm = 0.08 m

The radius of the circle = Diameter/2 = 0.08/2 = 0.04 m

The speed of motion = 7 km/h = 1.944444 m/s

The centripetal acceleration = v²/r = 1.944444²/0.04 ≈ 94.52 m/s²

The centripetal acceleration ≈ 94.52 m/s²

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edward travels 150 kilometers due west and then 200 kilometers in a direction 60 degrees north of west.what is his displacement
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The displacement of Edward in the westerly direction is determined as 338.32 km.

<h3>What is displacement of Edward?</h3>

The displacement of Edward can be determined from different methods of vector addition. The method applied here is triangular method.

The angle between the 200 km north west and 150 km west = 60 + 90 = 150⁰

The displacement is the side of the triangle facing 150⁰ = R

R² = a² + b² - 2abcosR

R² = 150² + 200²  - (2x 150 x 200)xcos(150)

R² = 62,500 - (-51,961.52)

R² = 114,461.52

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Learn more about displacement here: brainly.com/question/321442

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The total distance a group of movers move a refrigerator is 22 m. If they complete this task in 15 minutes, their efforts would
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