A Ball Attached to a String Starts at Rest and Undergoes

question 13

Multiple Choice

A ball attached to a string starts at rest and undergoes a constant angular acceleration as it travels in a horizontal circle of radius 0.30 m. After 0.65 sec, the angular speed of the ball is 9.7 rad/s. What is the tangential acceleration of the ball?

• A)4.5 m/s²
• B)0.32 m/s²
• C)15 m/s²
• D)7.6 m/s²
• E)28 m/s²

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Definitions:

Wind-pollinated

Refers to plants that rely on wind to transport pollen from one flower to another for fertilization.

Pollinators

Organisms that carry pollen from the male structures (anthers) to the female structures (stigmas) of flowers, facilitating plant reproduction.

Nectar-producers

Organisms, typically flowering plants, that generate nectar, a sweet fluid attracting pollinators such as bees and hummingbirds.

Male Part

Refers to the stamen in plants, which is the pollen-producing reproductive organ.