2. Un avión que viaja a velocidad constante comienza a caer en…

2. Un avión que viaja a velocidad constante comienza a caer en picada moviéndose en un arco  de radio de 5.20 km. ¿Cuál es la aceleración del avión en G? 

 

3. Se ejerce una fuerza horizontal de 310 N sobre una bola de 2.0 kg a medida que gira (a la  longitud del brazo) uniformemente en un círculo horizontal de radio 0.90 m. Calcule la  velocidad de la pelota. 

 

4. ¿Cuál es la magnitud de la aceleración de la base de la rueda de un alfarero que gira a 45 rpm  (revoluciones por minuto) si el diámetro de la rueda es de 35 cm? 

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