A Projectile of Mass 2 $\circ$ Above the Horizontal

question 2

Multiple Choice

A projectile of mass 2.00 kg is launched from the ground with a speed 10.0 m/s at an angle 20.0 ^$\circ$ above the horizontal.Assume that air drag is negligible.What is the kinetic energy of the projectile 0.500 seconds after it is launched?

• A)50.5 J
• B)60.5 J
• C)70.5 J
• D)80.5 J
• E)90.5 J

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Definitions:

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A statistical method used to determine the line of best fit by minimizing the sum of squares of the differences between observed values and those predicted by a linear function.

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The expenses associated with using utilities such as water, electricity, and gas in a business or household.

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A unit of measure that indicates the amount of time a machine has been actively operating in the production process.