A 20-Kg Mass Is Projected Vertically Upward from Ground Level with with an Initial

question 36

Multiple Choice

A 2.0-kg mass is projected vertically upward from ground level with an initial speed of 30 m/s. The mass rises to a maximum height of 35 m above ground level. What is the change in mechanical energy of the mass caused by air resistance between the point of projection and the point of maximum height?

• A) −0.21 kJ
• B) −0.47 kJ
• C) −0.40 kJ
• D) −0.34 kJ
• E) −0.69 kJ

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Definitions:

Consequential Damages

Indirect losses that arise not directly from a breach of contract but as a foreseeable result of the breach.

Compensatory Damages

Monetary compensation awarded to a plaintiff to offset losses or injuries that have occurred due to another's wrongdoing.

Punitive Damages

Monetary compensation awarded in a lawsuit over and above actual damages, intended to punish the defendant for egregious conduct.

Restitution

The act of compensating for loss, damage, or injury caused; often involves the return of property to its rightful owner.