An Object Moves Around a Circle and Its Linear Speed

question 78

Multiple Choice

An object moves around a circle and its linear speed is always increasing.Which statement is always true?

• A)Its linear velocity is perpendicular to its tangential acceleration.
• B)The magnitude of its tangential acceleration is greater than the magnitude of its centripetal acceleration.
• C)Its tangential and centripetal accelerations are both zero.
• D)Its tangential and centripetal accelerations are perpendicular.

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Definitions:

Electrons

Subatomic particles with negative charge, found in all atoms and acting as the primary carrier of electricity in solids.

Atomic Number

The quantity of protons present in an atom's nucleus, which dictates the element's chemical characteristics and position within the periodic table.

Alchemists

Ancient practitioners who sought to transform base metals into noble metals, such as gold, and to discover a universal cure for disease and a way of extending life.

Lead

A heavy metal element with the symbol Pb, known for its malleability, poor conductivity, and various uses and health impacts.