A Shell Is Fired with a Horizontal Velocity in the Positive

question 40

Multiple Choice

A shell is fired with a horizontal velocity in the positive x direction from the top of an 80-m high cliff. The shell strikes the ground 1330 m from the base of the cliff. The drawing is not to scale.

-What is the magnitude of the velocity of the shell as it hits the ground?

• A)4.0 m/s
• B)9.8 m/s
• C)82 m/s
• D)170 m/s
• E)330 m/s

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Definitions:

Fitness

A measure of an organism's ability to survive and reproduce, influencing the genetic contribution to the next generation.

Optimality Theory

A theoretical framework in evolutionary biology and behavioral ecology that predicts how organisms should behave to maximize their fitness or success in an environment.

Seed-eating Bird

Birds that primarily feed on seeds; this feeding behavior influences their habitat preferences, migration patterns, and physical adaptations like beak shape.

Solitarily

Pertains to behaviors or lifestyles where an organism lives alone, or functions independently, often for reasons related to survival or reproduction.