1 answer:
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10) the cv is wrong; it should be the number of coats of nail polish she applies
11) the iv is wrong; it should be the amount of paperclips on each plane (so basically the weight of each plane)
Answer:
ok i rlly hope this helps
Explanation:
mass/volume=density
.0057/.0235
=.2425531915 kg/L
=.24 kg/L
Answer:
True.
Explanation:
- Sound is a form of Energy that produces a sensation of hearing in our ears.
- Sound is produced as a result of vibration produced in a body.
- Sound energy is transmitted from one place o other place by wave motion.
- When a body vibrates, the particles of medium surrounding it starts vibrating about their mean position.
- During vibration, they collide with the surrounding particle and transfer some energy to them.
- They then start vibrating faster and transferring energy to the next surrounding particle. This process continues till the vibration reaches a person ear.
- Thus, particles are an important factor in propagation of sound.
- Sound cannot travel in vacuum.
- It requires a medium to travel from one point to another.
- A sound can travel in all medium, solids, liquids and gases as all of these have particles.
- The speed of sound is highest in solids and lowest in gases as the inter molecular space is largest in gases and smallest in solids.
Answer:
wind whips it up and gravity pulls it down.
Explanation:
