Its B: reduce the amount of energy needed to do the work by putting the work onto something else
Answer:
B.ability of human traits to be molded during development.
Explanation:
Plasticity:
1.When pressure is applied then some deformation occurs and to retain this deformation is known as plasticity.
2. It is the capacity of molding
Plasticity refers to the ability of human traits to be molded during development.
So the option B is correct.
B.ability of human traits to be molded during development.
An electric field is an electric property associated with each point in space when charge is present in any form.
I don't think that 4m has anything to do with the problem.
anyway. here.
A___________________B_______C
where A is the point that the train was released.
B is where the wheel started to stick
C is where it stopped
From A to B, v=2.5m/s, it takes 2s to go A to B so t=2
AB= v*t = 2.5 * 2 = 5m
The train comes to a stop 7.7 m from the point at which it was released so AC=7.7m
then BC= AC-AB = 7.7-5 = 2.7m
now consider BC
v^2=u^2+2as
where u is initial speed, in this case is 2.5m/s
v is final speed, train stop at C so final speed=0, so v=0
a is acceleration
s is displacement, which is BC=2.7m
substitute all the number into equation, we have
0^2 = 2.5^2 + 2*a*2.7
0 = 6.25 + 5.4a
a = -6.25/5.4 = -1.157
so acceleration is -1.157m/(s^2)
