Do Now: List as many facts as possible about a football tossed straight up into the air. Mr. Rao is cliff diving and steps off the cliff. What distance.

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Presentation transcript:

Do Now: List as many facts as possible about a football tossed straight up into the air. Mr. Rao is cliff diving and steps off the cliff. What distance does he falls if he is in the air for 2 seconds? Answer: 19.6 m

Aim: How can we use kinematics equations to solve different problems? HW:

Free Fall A skydiver jumps out of a plane. How fast is she moving after 15 seconds? Answer: 147 m/s (about 330 miles per hour – but note, terminal velocity is about 185 mph)

A student throws a ball straight up in the air and reaches a maximum height of 35 meters. A) Determine the initial upward velocity. B) Calculate the time it takes to reach maximum height. C) How fast is the ball moving at .96 seconds. 26 m/s 2.7 s 16.6 m/s

Bowling Ball in Choco Pudding! Measure the time it takes for the ball to fall. What height was the ball dropped? How fast was it upon impact?

Dropped Objects A ball is dropped from rest out of room 307’s window. It takes the ball 1.24 seconds to reach the ground. A) How high is the window from the ground? B) Calculate the magnitude of velocity when the ball hits the ground. 7.5 m 12 m/s

Station Activity Go to the assigned station and solve all parts of the problem.

A cop shoots a bullet straight up into the air A cop shoots a bullet straight up into the air. The bullet leaves the gun at 450 meters per second. A) Calculate the maximum height of the bullet. B) How long does it take the bullet to reach maximum height? C) What is the total time the bullet is in the air? D) Roughly how fast is the bullet moving when it hits the ground? E) Describe the acceleration and the velocity of the bullet at maximum height.

White Board Activities Using the white board for the following questions!

An object is thrown downward from a very tall building with an initial velocity of 10m/s. A) How fast is the object moving in 3 seconds? B) How far did the object fall during the 3 seconds?

A soccer ball is dropped from a 100 meter high cliff. A) How long does it take the object to hit the ground? B) What is the velocity of the ball when it hits the ground?

An object is kicked straight up in the air and takes 2 An object is kicked straight up in the air and takes 2.3 seconds to reach maximum height. A) Calculate the initial velocity of the object. B) Determine the maximum height. C) Determine the displacement.

How can we calculate the initial velocity of the diet coke? Problem: The diet coke shoots out of the bottle and reaches a maximum height of 4.5 meters. A) Calculate the initial velocity of the diet coke?

Problem: The diet coke shoots out of the bottle and reaches a maximum height of in .96 seconds. A) Calculate the initial velocity of the diet coke?