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algol13
3 years ago
9

Sonia's grandfather was not able to see clearly after returning from his walk on a bright sunny day. He was about to hit a chair

when sonia held him and guided him to the nearby sofa. What could be the reason for sonia's grandfather not being able to see clearly on entering the house
Physics
1 answer:
Vinil7 [7]3 years ago
4 0

Answer:

Sonia's grandfather was not able to see clearly after returning from his walk on a bright sunny day. He was about to hit a chair when Sonia held him and guided him to the nearby sofa, in sunny environment grandfather's eye is set according to high brightness, his pupils become small to lower the number of light rays entering his eye, when he returned from sunny environment to his house which was having low brightness so the pupils should enlarge to absorb more light to see clearly but due to old age his Ciliary muscle of the eye would have worn out and due to this poor coordination the image was not clear.

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Answer:

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Explanation:

Thrust in Physics is defined as the force that propels, forces or pushes the mass of a certain object in a specified or particular direction.

Thrust can defined in the terms of a Jet pack can be defined as the force that is required to propel the mass of a person in an upward direction.

Based on the diagram that we have been shown the question, we can see that water is the fuel used to proper the user or person upwards hence, the jet pack used in the question is an HydroJet pack

The condition necessary for the person to be able to remain stationary in mid-air is that the propelling force called the thrust must be upwards such that it can overcome these 4 things:

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3 years ago
Which law relates to any pushing or pulling applied to the body to create motion?
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What occurs when two Stars collide into each other?
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where

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F is the average force

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In this problem:, we have:

m = 55 kg is Sarah's mass

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\Delta t = 0.5 s  is the duration of the collision

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