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Novay_Z [31]
4 years ago
6

A ball is rolled uphill a distance of 12 meters before it slows, stops, and begins to roll back. The ball rolls downhill 20 mete

rs before coming to rest against a tree. What is the magnitude of the ball’s displacement________ m
Physics
1 answer:
Sedaia [141]4 years ago
5 0
The ball rolled a distance of
d = 12m + 20m.
But the change of position is
x = + 12m - 20m
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Two people push on the same door from opposite sides as shown. A man pushes on a door from the left. A woman pushes on the door
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Answer:

The door will move when the forces exerted by each individual becomes unbalanced.

Explanation:

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3 years ago
Enunciado: Una bola se lanza verticalmente de la parte superior de un edificio con una velocidad inicial de 25 m/s. La bola impa
bearhunter [10]

Responder:

Explicación:

Usaremos la ecuación de movimiento para determinar la altura de la bola medida desde la parte superior del edificio.

Usando la ecuación para obtener la altura de caída

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u es la velocidad inicial = 25 m / s

g es la aceleración debida a la gravedad = 9,81 m / s²

t es el tiempo = 7 segundos

S es la altura de la caída

S = 25 (7) +1/2 (9,81) × 7²

S = 175 + 4,905 (49)

S = 175 + 240,345

S = 415,35 m

Esto significa que la pelota se elevó a 415,35 m de altura

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