2 years ago

F(x)=x2 -7 What is f(3)? _

Mathematics

1 answer:

Alex787 [66]2 years ago

5 0

Answer:

cvbnmkjhyt

Step-by-step explanation:

w34567

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A 25 kg rock , is raised to the top of a hill 10 m high. What is the PE of the rock ?

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$Potential \: \: Energy =(mass) \times (gravity \: acceleration) \times (height) \\$

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If gravity acceleration is 9.8 :

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