shadoris26
11.10.2019 •
Physics
Aloaded grocery cart is rolling across a parking lot in a strong wind. you apply a constant force \vec{f} =(33 n)\hat{i} - (41 n)\hat{j} to the cart as it undergoes a displacement \vec{s} = (-9.4 m)\hat{i} - (3.1 m)\hat{j}.
part a
how much work does the force you apply do on the grocery cart?
express your answer using two significant figures.
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Ответ:
carbon atoms with different numbers of electrons
Explanation:
Carbon-12 has 6 neutrons, carbon-13 has 7 neutrons, and carbon-14 contains 8 neutrons. Carbon-12 and 13 are stable isotopes, which means that the nucleus does not undergo radioactive decay. Carbon-14 possesses an unstable nucleus which undergoes radioactive decay