Answer:
I assume the higher notes would make the rice vibrate more easily, so a flute.
Answer:
R.E.T.A.R.D.A.T.I.O.N
Explanation:
It won't let me spell it normal
Using the equation P = W/t to solve your problem .
Thus the answer is all of them use the same amount of power. 20 J.
Answer:
You can hear your friend because of diffraction of sound waves.
Explanation:
Through diffraction of sound waves, the sound waves can bend around the door spaces and spread out through any small opening on the door to reach you in the other room yet the other person is not in a direct line with you.The wavelength of sound waves in this case are longer enough to bend around the obstacle(door and the indirect path) and spread out to reach your room for you to hear your friend without directly being in line with the door for you to see them.
Answer:
It'd be frozen I think. either that or it'd be sucked out of oxygen
Explanation: