A 20-Kg Object Has a Velocity of 4

question 65

Multiple Choice

A 2.0-kg object has a velocity of 4.0 î m/s at t = 0.A constant resultant force of (2.0 î0 + 4.0 ĵ ) N then acts on the object for 3.0 s.What is the magnitude of the object's velocity at the end of the 3.0-s interval?

• A)9.2 m/s
• B)6.3 m/s
• C)8.2 m/s
• D)7.2 m/s
• E)7.7 m/s

Understand the concept of crypsis and its opposite, warning coloration, in the context of predator-prey interactions.

Explore the adaptive benefits and disadvantages of prey defense mechanisms, including physical and behavioral traits.

Recognize the significance of abiotic factors as agents of natural selection in various species.

Identify predator-prey dynamics, including the roles of different species as predators, prey, or both.

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