The human eye is one of the most valuable sense organ. The closest object that a typical young person with normal vision can focus closest to is 25 cm
The lens in the eye forms the image on the retina. The image formed is real and inverted. The retina is a very delicate membrane containing numerous light sensitive cells.
This light sensitive cells gets activated when light falls on it and generates electric signals. These electric signals are sent to the brain via the optic nerves present in the eye. The brain finally processes these signals and thus we see the object clearly.
The ability of the lens of the eye to adjust its focal length accordingly is called the power of accommodation,
The minimum distance, at which the object can be seen clearly without any strain is called the least distance of distinct vision.
To see an object clearly without any strain is when we place it at about 25 cm from the eye.
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The acceleration of the car is 0.5 meters per seconds square.
Given the following data:
- Initial velocity, U = 30 m/s
Note: The final velocity (V) of the car would be zero (0) m/s when it comes to a stop.
To find the acceleration of the car, we would use the third equation of motion;
Mathematically, the third equation of motion is given by the formula;
<em>Acceleration, a </em><em>=</em><em> 0.5 </em>
<em></em>
Therefore, the acceleration of the car is 0.5 meters per seconds square.
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Answer:
the ball will go up 3s and down 3s
v=gt
where t=3s and g=9.8m/s^2
distance=v0(t)+(1/2)gt^2
where initial velocity (v0)=0
Explanation:
Answer:
d one is correct
Explanation:
as the electrical energy in the socket is transferred to the electric tea pot
