D) the just noticeable difference.
Explanation:
Just noticeable difference (jnd) is defined as how much a difference in stimuli is required to detect a difference between stimuli. This difference threshold changes is dependence of the intensity of stimulus.In this case, it will be the smallest change in volume that a person can sense.The intensity level of stimuli plays a role in how much you can notice change.For example in a room with very, very dim light where lights are off, a small change in light intensity produced by a ringing phone can be detected quicker by people in that room than when the lights are on and the phone rings.
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Absolute Threshold https://brainly.in/question/8377534
Keywords : sound, absolute threshold, just noticeable difference
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This is a conservation of momentum question. Initial momentum of the system is the momentum of ball 1 plus the momentum of ball 2. The final momentum of the system should be 0 since the balls stand still after the collision.
mv + mv = 0
mv = -mv
(20)(20) = -(40)Vi
400 = -40Vi
Vi = -10
So ball 2 should travel at 10m/s to the left
Answer:
V
Explanation:
Cosmic radiation is emitted during solar events. The Earth's atmosphere works like a shield, keeping out large amounts of this radiation. Some of this incoming radiation is reflected off clouds, some is absorbed by the atmosphere, and some passes through to the Earth's surface.
Answer:
0.5m
Explanation:
v=f×lamda
v is 300m/s, f is 600Hz, lamda is ?
lamda=v/f
lamda=300/600
lamda =3/6=1/2m
The best demonstration that applies to Newton's Third Law of motion would be D) When you walk your foot pushes down on the ground while the ground pushes back on your foot.
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Newton's Third Law states that for every action, there is an equal and opposite reaction. This is actually explains that forces come in pairs and forces are an interaction between two objects. As per the correct option given in the question explains Newton’s Third Law.
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When you walk your foot (say object A) pushes down on the ground while the ground (say object Q) pushes back on your foot with the same force but in the opposite direction.