1. A kicker attempts a field goal from 30m away. The football is kicked from ground level with an initial velocity of 20m/s at an angle of 45°. a)What.

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Presentation transcript:

1. A kicker attempts a field goal from 30m away. The football is kicked from ground level with an initial velocity of 20m/s at an angle of 45°. a)What is the maximum height of the football? b)If the goalpost is 3m tall, is the attempt good?

a) For the final answer, calculate y using y-position equation calculate v 0,y using trigonometry calculate t using y-velocity equation 1. A kicker attempts a field goal from 30m away. The football is kicked from ground level with an initial velocity of 20m/s at an angle of 45°. a)What is the maximum height of the football?

b) For the final answer, calculate y using y-position equation calculate v 0,y using trigonometry calculate t using x-position equation 1. A kicker attempts a field goal from 30m away. The football is kicked from ground level with an initial velocity of 20m/s at an angle of 45°. a)What is the maximum height of the football? b)If the goalpost is 3m tall, is the attempt good?

2. Mario rides off of a platform with a horizontal velocity of 32m/s. He lands on a 5m-tall platform that is 40m away. a) how tall was the first platform?

2. Mario rides off of a platform with a horizontal velocity of 32m/s. He lands on a 5m-tall platform that is 40m away. a) how tall was the first platform? a) For the final answer, calculate y 0 using y-position equation calculate t using x-position equation

3. Link launches a marble with a slingshot pulled all the way back from an initial height of 1.2m. 4.5s later, it lands on the ground 40m away. Calculate the initial velocity of the marble. For the final answer, calculate v 0 using Trigonometry calculate v 0,x using x-position equation calculate v 0,y using y-position equation

4. A cannon is fired horizontally from a height of 119cm. It lands on the floor 338cm away. Calculate the initial velocity of the cannon. For the final answer, calculate v 0 using x-position equation calculate t using y-position equation

5. The pitcher throws a baseball with an initial velocity of 40 m/s from a height of 1.5m. The batter hits the baseball at a height of 1m at 0.6s after the pitch. What angle was the angle of elevation of the pitch? For the final answer, calculate Θ using trigonometry calculate v 0,y using y-position equation

Trigonometry is the study of triangles Gravity only affects the y-direction As initial velocity increases, the horizontal range increases As initial velocity increases, the maximum height increases As the launch angle approaches 45°, the horizontal range increases