Answer:
the willing power of student is more important then the material. If a student is willing to make something and express his/her identity then there are more than enough substances he/she can make. For example:- a wooden box can turn into a cute playing car, piggybank or a pencil holder according to his her wish.
Answer:
13.9 m/s
Explanation:
The velocity of the train along the inclined surface is given by the ratio between the distance travelled, d, and the time taken, t:

where we have
d = 400 m
t = 5 s
Substituting,

This is the velocity of the train along the inclined plane. Now we can find the vertical component of the velocity by using the formula:

where
is the angle of the slope. Substituting, we find

This applies to nuclear reactions, specifically nuclear fission.
This huge release of energy has been used in atomic bombs and in the nuclear reactors that generate electricity.
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Answer:
longitudinal
Explanation:
because particles of medium through which the sound is transported vibrate parallel to the direction of the sound wave moves
It is reasonable because the ripples in the rock show how old and how fast the water went to make the rock. It also describes the time that it has been there, depending on how many years ago it was.
( I tried. I'm not that great at any kind of science )