El període de rotació de la Lluna al voltant de la Terra és de 27,3 dies. Calcula l'angle que recorre la Lluna en un dia, en radians.

Més Exercicis MCU i MCUA (4ESO)

Quiz
•
Physics
•
10th Grade
•
Hard
Zack Walls
Used 1+ times
FREE Resource
11 questions
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1.
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1 min • 1 pt
2.
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1 min • 1 pt
La velocitat angular d'un disc disminueix uniformement de 700 RPM a 500 RPM en 7 s. Calcula el nombre de voltes que fa en aquest temps.
3.
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1 min • 1 pt
La velocitat angular d'un disc disminueix uniformement de 700 RPM a 500 RPM en 7 s. Calcula el temps (en segons) que tardarà en aturar-se si segueix frenant al mateix ritme.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vàries proves d'atletisme es basen en la transmissió de moviment circular a moviment rectilini. Quin d'aquests objectes gira amb una major acceleració normal (o centrípeta)?
5.
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1 min • 1 pt
6.
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1 min • 1 pt
Un ventilador de sostre, amb paletes d' 1 m de longitud, està inicialment girant a 180 RPM i tarda 6 s en frenar-se uniformement fins el repòs. Calcula la seva velocitat angular (en rad/s) al cap de 2 s.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
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