projectile motion. you throw a ball horizontally off a roof. assuming the ball behaves as an ideal...

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Projectile Motion 2 0 0 0 0 0 0 2 1 gt t v y y gt v v t v x x v v y y y x x x 2 0 0 0 0 0 0 0 0 2 1 ) sin ( sin ) cos ( cos gt t v y gt v v t v x v v y x

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Page 1: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Projectile Motion

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Page 2: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only by

a) its initial speed and the horizontal distance to the point where it lands.

b) the height of the roof and its initial speed.

c) the height of the roof.

© 2016 Pearson Education, Inc.

Clicker question

Page 3: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Where does the apple land?

Page 4: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 5: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 6: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Horizontal range

Page 7: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 8: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

275 m

275

111 m/s

g

Page 9: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 10: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Racing skier

Page 11: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

How long does it take him to finish the race?

Page 12: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Projectile launched from a cliff

Page 13: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

You and a friend throw two rocks off a bridge. Your friend throws hers with an initial direction 30º below the horizontal. You throw yours with the same initial speed but in a direction 30º above the horizontal. When the two rocks hit the water

a) your friend's is moving faster.

b) yours is moving faster.

c) they are moving at the same speed.

© 2016 Pearson Education, Inc.

Clicker question

Page 14: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 15: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 16: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 17: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

crossing a stream

Page 18: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 19: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Helicopter drops parcel

Page 20: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 21: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Center-seeking Acceleration

Page 22: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Page 23: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

Has a velocity of 700 km/hr

Page 24: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

6gR

Stuka=German war plane(History Channel)

Page 25: Projectile Motion. You throw a ball horizontally off a roof. Assuming the ball behaves as an ideal projectile, the time until it lands is determined only

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