Newton observed the action of a prism on the white light and on red light. Because he did not control the event, this investigation of light was an observational study.
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Answer:
Density is the mass to volume ratio of an object.
> It tells you how compact the mass is.
> Density = mass/volume
The density of water is 1 g/ml or 1 kg/L or 1000 kg/m3
• If an object has a density less than that of water, it
will float.
• If an object has a density more than that of water, it
will sink
Explanation:
hope this helps some
Answer:
27 Joules.
Explanation:
use the formula for kinetic energy:
KE = 1/2mv^2