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Hunter-Best [27]
3 years ago
9

Which does not contain a lens?

Physics
1 answer:
statuscvo [17]3 years ago
8 0
C a glass eye is my best guess because its all glass and a fake eye not actually working so thats my theroy.
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A 6.9 kg object is suspended by a string from the ceiling of an elevator. The acceleration of gravity is 9.8 m/s 2 . Determine t
lina2011 [118]

Answer:

Tension, T = 87.63  N

Explanation:

Given that,

Mass of the object, m = 6.9 kg

The string is acting in the upward direction, a = 2.9 m/s²

Acceleration due to gravity, g = 9.8 m/s²

As the lift is accelerating upwards, it means the net force acting on it is given by :

T = m(a+g)

= 6.9 (2.9+9.8)

= 6.9(2.7)

= 87.63  N

So, the tension in the string is 87.63  N.

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Allushta [10]

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HACTEHA [7]
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