A Large Wedge with a Mass of 10 Kg Rests

question 15

Multiple Choice

A large wedge with a mass of 10 kg rests on a horizontal frictionless surface, as shown. A block with a mass of 5.0 kg starts from rest and slides down the inclined surface of the wedge, which is rough. At one instant the vertical component of the block's velocity is 3.0 m/s and the horizontal component is 6.0 m/s. At that instant the velocity of the wedge is:

• A) 3.0 m/s left
• B) 3.0 m/s, right
• C) 6.0 m/s, right
• D) 6.0 m/s, left
• E) 17 m/s, right

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Definitions:

Family Obligations

Duties or responsibilities that individuals have towards their family members, often culturally or socially defined.

Manifest Content

In psychoanalytic theory, the remembered story line of a dream as opposed to the hidden meaning or latent content.

Night Terrors

A sleep disorder causing feelings of terror or dread, typically occurring during the first hours of stage 3-4 non-REM sleep, leading to gasping, screaming, or confusion upon waking.

Nightmares

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