O.99 m long .simple pendulum time period is 2s for second formula then use formula T=2pi.rt(lenght/gravity)
Answer:
13.1
Explanation:
that's what I'm gonna go with, but u can research more
<em>"A concave lens is thinner at the center than it is at the edges."</em>
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Earthworm have bones Some children confuse earthworms, which are invertebrates and have no bones, with snakes which are vertebrates and do have a bony skeleton and many ribs.
An Active solar energy system because it uses the sun to heat up the green house an I’m return the plants grow an produce food