gennhill14
17.11.2019 •
Physics
What is the potential of a 35kg child sitting at the top of a slide that is 3.5m above the ground? what is her kinetic energy if she moves down the slide at a speed of 5.0m/s? ?
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Ответ:
= (35)(9.8)(3.5)
= 1200.5 J
Ek = (1/2)(mv^2)
= (0.5)(35)(5^2)
= 437.5 J
Ответ:
1. metals
2. metalloids only
3. nonmetals only
4. metals and metalloids
5. metalloids and nonmetals
i just took this assignment so this is correct