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rockyroad19
19.06.2020 •
Physics
A series of evenly timed pulses create a wave that can be described as a
wave.
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Ответ:
Explanation:
1) 1 : to Prevent a burning we use tongs
2:it can burn our skin hoa it's help
2) 1: because pulley helps in water draw from a well
3) 1: second class lever has mechanical advantage more than one as load is in between fulcrum an effort making the effort arm longer than the load arm