Answer:
First trial: Big ball dropped first, feather fell much later
Second trial: Big ball and small bell fell at same time
Third trial: small ball fell first, feather fell later
Explanation:
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Because different materials have different molecular organizations.
Work done (energy) = force * distance
So: distance = work done / force
= 2.7 / 4.5
= 0.6m
Trust vs Mistrust
At this stage the infant is uncertain about the world they live in.
Answer:
100
Explanation:
= Resistivity of axon
r = Radius of axon
t = Thickness of the membrane
= Resistivity of the axoplasm
Speed of pulse is given by
So, radius is given by
If radius is increased by a factor of 10 new radius will be
So, The radius will increase by a factor of 100.