Answer:
Nodes.
Explanation:
Nodes are a point that are on a standing wave that never move.
Answer:
I assume the higher notes would make the rice vibrate more easily, so a flute.
According to Newton laws of motion,
F = m*a
Here, m = 1,560 Kg
a = 1.30 m/s²
Substitute their values,
F = 1,560 * 1.30
F = 2028 N ~ 2030 N [ Closest value ]
In short, Your Answer would be Option C
Hope this helps!
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