Zinc oxide protect the lifeguards from damaging uv sunlight. how does this cream protect from the uv rays of the sun? a. the cream is opaque and allows the uv rays to pass through your skin safely. b. the cream is opaque and reflects the uv rays before they reach the skin's surface. c. the cream is transparent and transmits the uv rays as they reach the skin's surface. d. the cream is transparent and absorbs the uv rays after they reach the skin's surface.
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Physics, 21.06.2019 18:30
A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s
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Physics, 21.06.2019 21:50
What is the length x of the side of the triangle below? (hint: use the cosine function)
Answers: 1
Physics, 22.06.2019 07:00
Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?
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Physics, 22.06.2019 07:40
How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.
Answers: 3
Zinc oxide protect the lifeguards from damaging uv sunlight. how does this cream protect from the u...
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