An Object Attached to the End of a String Swings

question 44

Multiple Choice

An object attached to the end of a string swings in a vertical circle (R = 1.2 m) , as shown. At an instant when θ = 30°, the speed of the object is 5.1 m/s and the tension in the string has a magnitude of 20 N. What is the mass of the object?

• A) 2.0 kg
• B) 1.5 kg
• C) 1.8 kg
• D) 1.2 kg
• E) 0.80 kg

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Definitions:

Environment Influences

The impact of surrounding physical and social settings on an individual's behavior, thoughts, and feelings.

Anal Stage

The second stage in Freud’s psychosexual development, occurring from about 18 months to three years of age, where the child's focus is on controlling bladder and bowel movements.

Oral Stage

The first stage in Freud's psychosexual development theory, occurring in the first year of life, where pleasure is focused on oral activities such as sucking and biting.

Phallic Stage

A phase in Freud's psychosexual development theory occurring around age three to six, where the child's libido (sexual energy) is focused on the genital area.