Answer:
The ball will fly tangential to the original circle
Explanation:
The image here is missing, however we can still answer to the question.
In fact, the circular motion of the ball when it is tied to the rope is a combination of two separate effects:
1- The centripetal force, in the form of the tension in the rop, that pulls the ball at any time towards the centre of the circular path
2- The inertia of the ball, which tends to continue its motion in a straight direction, tangential to the circle and perpendicular to the direction of the centripetal force
When child let the string go, there is no more tension in the string acting on the ball, and therefore, there is no longer a centripetal force.
As a result, number 1) disappears, and therefore there is only the inertia of the ball that will determine its motion: and therefore, the ball will continue its motion straight in a direction tangential to the original circle.
Answer:
sulfite ion SO32
Explanation:
A molecular ion is a covalently bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zero.
Answer:
The modern model recognizes particles in the atom, whereas Dalton’s model does not.
Explanation:
The modern model considers the atom to consist of electrons, protons, and neutrons.
A is wrong. The modern model of the atom is widely accepted.
B is wrong. Dalton assumed that all atoms are identical. The modern model recognizes that there are isotopes of atoms.
D is wrong. The modern model explains emission spectra. Dalton's model does not.
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Radium is by far the more reactive non metal. It is in a group of elements that are extremely radioactive and unstable.
