An object has a mass of 15 kg and is accelerating to the right at 16.3 m/s2. the free-body diagram shows the horizontal forces acting on the object. what is the frictional force, ff, acting on the object? a. 5.5 n b. 15 n c. 244.5 n d. 494.5 n

its a 5.5 n

glad that

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

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