A particular banana contains 385 mg of potassium of which a, Ask an Expert

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Q. A particular banana contains 385 mg of potassium, of which a small fraction is the radioactive isotope _19^40 text (K) (see Appendix B). Approximation the activity of this banana because of _19^40 text (K).

Q. A 3.00 N force acts for 4.00 s on an object. The force suddenly increases to 15N and acts for one more second. What impulse was impacted by these forces to object?

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