You want to create a new warming appliance that is safe. Which type of electromagnetic wave would be most useful to investigate?
2 answers:
Answer:
-infrared waves
Explanation:
If electromagnetic waves are arranged in order of their energy in lowest to highest order then it is as following
1) Radio waves
2) Microwaves
3) Infrared waves
4) Visible light
5) Ultraviolet waves
6) X Rays
7) Gamma Rays
So here if we wish to use to create a safe device for warming which would be of lesser and safe energy
so here correct answer would be
Infrared waves
Infrared waves. The other 3 would hurt you because they are below the UV scale of 400 nanometers. Infrared is light that wouldn't harm you
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Answer:
48 i believe
Explanation:
Answer:
8 seconds
Explanation:
Answer:
Explanation:
Going up
Time taken to reach maximum height= usin∅/g
=3 secs
Maximum height= H+[(usin∅)²/2g]
=80+[(60sin30)²/20]
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Coming Down
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125= ½(10)(t²)
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