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vekshin1
3 years ago
9

Arianna is experimenting with different materials to see which one will

Physics
1 answer:
sp2606 [1]3 years ago
8 0

Answer:

Concrete

Explanation:

The speed at which sound propagates is medium dependent. As one of the forms of mechanical waves, sound requires a material medium for propagation from place to place.

  • Sound travels with the least speed in air because air particles are far apart and they are randomized.
  • Sound travels with the greatest speed in solids. Concrete is the only solid material given in the choice.

The speed of sound increases from air to liquid and to solid.

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You are riding a bicycle. If you apply a forward force of 125 N, and you and
erica [24]

Answer:

1.52g

Explanation:

Given parameters:

Force  = 125N

Mass combined  = 82kg

Unknown:

Acceleration of the bicycle  = ?

Solution:

From Newton second law of motion suggests that:

   Force = mass x acceleration

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8 0
3 years ago
Why is sun called a source of light??​
mote1985 [20]

Answer:

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3 years ago
The total number of stars in the observable universe is roughly equivalent to:
musickatia [10]

Answer:

The number of grains of sand on all the beaches on Earth

Explanation:

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A dolphin swims 1.85 km/h how far has the dolphin traveled after 0.60 h
user100 [1]

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6 0
3 years ago
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