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dem82 [27]
2 years ago
10

Pls help I will mark brainliest

Physics
2 answers:
earnstyle [38]2 years ago
7 0
It will be unstable system because it will not be able to recover from the disturbance
anzhelika [568]2 years ago
5 0

8). first choice choice

9). 7.0 ohms

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Answer:

a = F-ff/m

Explanation:

According to Newton's second law of motion which states that "the rate of change in momentum of a body is directly proportional to the applied force F and acts in the direction of the force.

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F = ma

Since two forces acts on the cart i.e the moving force F and the frictional force Ff , we will take the sum of the forces.

∑F = ma where

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∑F = F+(-ff )(since frictional force is an opposing force)

F - ff = ma

Dividing both sides by mass m

a = F-ff/m

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