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A Heavy Sled and a Light Sled,both Moving Horizontally with the Same

question 49

Multiple Choice

A heavy sled and a light sled,both moving horizontally with the same speed,suddenly slide onto a rough patch of snow and eventually come to a stop.The coefficient of kinetic friction between the sleds and the rough snow is the same for both of them.Which of the following statements about these sleds are correct? (There could be more than one correct choice. )


Definitions:

Alarm Signal Hypothesis

The theory that certain behaviors or signals are evolved to alert conspecifics to the presence of a predator or danger, enhancing survival.

Confusion Effect Hypothesis

A theory suggesting that predators have difficulty singling out individual prey in large, closely packed groups, thereby reducing predation risk for each group member.

Social Cohesion Hypothesis

A theory suggesting that social bonds within a group enhance survival and reproductive success, leading to stronger group integrity.

Parental Death

The event of a child losing a parent, an experience that can have profound psychological and emotional impacts throughout their life.

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