A and B are equivalent. That's one way instruments are often grouped. (the "sopranos", the "altos", the "bass")
C is another way instruments are often grouped; (the "woods", the "brass")
D is another way instruments are often grouped; (the "strings", the "percussions")
supply it with more energy. one way to do is to produce vibrations in the same frequency as the wave. This would cause resonance leading to higher amplitude
Hey there,
Density = Mass/Valume
D= 3.1/0.35
D= 8.86 g/cm3
There was a supercontinent called Pangea
A. is the right answer since work is negative and Q which is heat in negative also
