An investigation that has been done by more than one scientist with similar findings has been replicated.
<h3>What does replication in science mean?</h3>
The expression 'replication in science' makes reference to the same experimental result through different hypothesis testing procedures, which is fundamental to reinforcing a scientific idea.
In conclusion, an investigation that has been done by more than one scientist with similar findings has been replicated.
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Answer:
2.5 cm
Explanation:
Using the relation :
Refractive index = Real Depth / Apparent depth
Refractive index = 1.6
Real depth = 4cm
Virtual depth = apparent depth = x
1.6 = 4cm / x
1.6x = 4
x = 4 / 1.6
x = 2.5
Hence, virtual depth = 2.5cm
Locations X and Y are at the poles. Hope this helps!
Answer:
In Newtonian mechanics, the gravitational energy possessed by a mass, because of the gravitational field produced by a second mass.
Explanation:
When driver see the child standing on road his speed is 20 m/s
So here at that instant his reaction time is 0.80 s
He will cover a total distance given by product of speed and time



now after this he will apply brakes with acceleration a = 7 m/s^2
so the distance covered before it stop is given by



so the total distance covered by it


<em>so it will cover a total distance of 44.6 m</em>