An Object with a Mass of 10 Kg Is Initially

question 154

Multiple Choice

An object with a mass of 10 kg is initially at rest at the top of a frictionless inclined plane that rises at 30° above the horizontal. At the top, the object is initially 8.0 m from the bottom of the incline, as shown in the figure. When the object is released from this position, it eventually stops at a distance d from the bottom of the inclined plane along a horizontal surface, as shown. The coefficient of kinetic friction between the horizontal surface and the object is 0.20, and air resistance is negligible. Find the distance d.

• A) 5.0 m
• B) 10 m
• C) 15 m
• D) 20 m
• E) 25 m

Recognize the processes and mechanisms involved in sensory development and sensory integration.

Identify critical periods in the development of sensory systems and motor skills.

Understand the role of environmental and genetic factors in the development of motor skills.

Learn about the implications of rapid brain growth and critical developmental phenomena such as transient exuberance and pruning on cognitive and physical development.

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