The denser the medium, the harder the sound struggles to travel through. The medium will determine how effectively the sound will travel, for example, large bodies of water has barely any sound for its density.
Answer:
4m/s
Explanation:
May be different considering how long the pole is and how heavy the firefighter is.
They cause an increase in temp of earths atmosphere or warming by absorbing solar energy. hope this helps
Explanation:
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Answer:No,a smaller object would have more acceleration because it would take less force to move.