A Football Kicker Is Attempting a Field Goal From $44 \mathrm {~m}$

question 65

Multiple Choice

A football kicker is attempting a field goal from $44 \mathrm {~m}$ out.The ball is kicked and just clears the lower bar with a time of flight of $2.9 \mathrm {~s}$ If the angle of the kick was 45°,what was the initial speed of the ball,assuming no effects of air?

• A)21.5 m/s
• B)19.7 m/s
• C)2.2 m/s
• D)39 m/s

Apply concepts of prosocial behavior in practical contexts, demonstrating understanding through specific examples.

Distinguish between various forms of support (informational, tangible, emotional) and their value in different contexts.

Assess the role of moral and ethical principles in guiding helping behaviors.

Understand the ethological perspective on human aggression and its roots in instinctual behavior.

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Definitions:

Midpoint Formula

A more precise way of calculating percentages using the value halfway between P1 and P2 for the base in calculating the percentage change in price and the value halfway between Q1 and Q2 as the base for calculating the percentage change in quantity demanded.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating how sensitive consumers are to price changes.

Hamburger

A popular fast food item consisting of a cooked patty of ground meat, typically beef, placed inside a sliced bun often accompanied with various condiments and toppings.

Slope

The measure of the steepness or inclination of a line or surface, typically expressed as a ratio.