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Chapter 15 Motion and Momentum

Chapter 15 Motion and Momentum. Section 1, what is motion ? By Mariam S. Matter and motion. All matter in the universe is constantly in motion, from the revolution of earth around the sun to electrons moving around the nucleus of an atom. EX: Leaves rustle in the wind.

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Chapter 15 Motion and Momentum

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  1. Chapter 15Motion and Momentum Section 1, what is motion? By Mariam S.

  2. Matter and motion All matter in the universe is constantly in motion, from the revolution of earth around the sun to electrons moving around the nucleus of an atom. EX: Leaves rustle in the wind. Lava flows from a volcano . Bees move from flower to flower as they gather pollen. Blood circulates through your body.

  3. Changing position If something I'd changing positions than it is in motion. For example: Fast moving airplanes. A leaf swirling in the wind. Water trickling from a hose. Schools, houses, and offices move through space attached to Earth. Runners sprinting from the starting to the finishing line. If an object changes from location to location than it is changing positions.

  4. Distance & Displacement Imagine that you are late to school. And it is 200m away from your house. Would you take your bike or walk to school? To help you decide you should determine the distance of your house to school. When you get to your school, how would you determine your location. Your final position depends on both the distance you traveled and the direction. You could say that my house is 200m west. Displacement is the distance between the starting and ending points and the directions in which you traveled.

  5. Speed When you describe motion, you have to determine the speed you traveled. Speed is the distance traveled by the time taken to travel the distance. Formula for speed is, distance (in meters) divided by time (in seconds). For example, if the distance from your house to the park is 300m in 30 seconds, then you will have to divide 300 by 30 to determine your speed. So your speed will be 10m/s.

  6. Velocity Velocity of an object is the speed of the object and the direction of its motion, this makes a compass and a map useful for hikers. Maps and compass help hikers determine their velocity. Velocity has the same unit as speed, but it includes the direction of motion.

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