A material is said to be ductile if it a.
can be pulled out, or drawn, into a long wire.
b.
can be hammered or rolled into flat sheets and other shapes.
c.
can transfer heat or electricity to another material.
d.
is a mixture of a metal with at least one other element.

b. latent learning (the word "latent" itself means something that exists but isn't obvious, only under certain conditions! )

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered

massxgravity x heght=weightxheight= pe

4900=490xh

h=10

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas