A Cart Starts from Rest and Accelerates Uniformly at 4

question 29

Multiple Choice

A cart starts from rest and accelerates uniformly at 4.0 m/s² for 5.0 s.It next maintains the velocity it has reached for 10 s.Then it slows down at a steady rate of 2.0 m/s² for 4.0 s.What is the final speed of the car?

• A)20 m/s
• B)16 m/s
• C)12 m/s
• D)10 m/s

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Definitions:

Infants

Young children from birth up to 12 months of age, a period marked by rapid growth and development across physical, cognitive, and socio-emotional domains.

Perceptual Development

The gradual process by which infants and young children gain the ability to interpret and understand sensory information.

Nature

The processes within an organism that guide it to develop according to its genetic code.

Neonates

Refers to newborns, typically less than four weeks old.