You are standing in front of a pool of water and see your face in the water but when a stone is dropped into the pool you no mor
1 answer:
Answer:
• Before, the water is calm with a regular reflection surface. So, all the light rays from your face will be reflected directly to your eyes hence viewing your face clearly.
• After throwing a stone in the pool, the water distorts or disorganises due to change in volume and molecular dislocation. So, it forms an irregular reflecting surface. Hence, all light rays from the face are reflected in different directions hence you can't see your face clearly.
Explanation:
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Explanation:
It is given that,
Mass of an object,
(a) Time period of oscillation, T = 2.4 s
The formula for the time period of spring is given by :
Where
k is the force constant
(b) Displacement in the spring, x = 2.2 m
Energy stored in the spring is given by :
Hence, this is the required solution.