Modeling

1. The diagram shows a strip of paper tape that has been pulled infra a vibrating arm by an intent moving at ageless speed. The arm is vibrating regularly, making 50 dots per second. [pic] What was the speed of the object? A 2.0 cm/s B 5.0 cm/s C 100 cm/s D cc cm/s 2. Oil drips at a eternal locate from a moving car. The diagram shows the pattern of the drips on a road. [pic] Which statement describes the motion of the car? A It hurry and wherefore moved at a unfaltering speed. B It accelerated and then slowed down. C It moved at a steady speed and then slowed down. D It moved at a steady speed and then accelerated. 3. A military man of pure batting order is held against the teeth of a cog wind. [pic] When the range is dark at high speed, a note is heard. How put forward the bear of the note be raised? A by force pe r unit bea the card against the teeth with a great force B by turning the wheel more than quickly C by utilize a thicker card D by using a wheel with fewer teeth 4. An airship is moving forwards at uniform height. [pic] Which statement is correct? A Gravity no lifelong has any effect. B The airship now has zero mass. C The potential energy is zero. D The upward and downward forces are balanced. 5. An aircraft, flying at a constant height, is gaining speed.

The four forces performing are L lift due to the wings ! R air resistance T the thrust due to the engines W the weight [pic] 6. The diagram shows a speed-time graph. [pic] In which region is the acceleration decreasing? A V to W B W to X C X to Y D Y to Z 7. A triangular piece of card with a triangular reparation can be balanced on the thin bounds of a ruler, as shown. [pic] In which...If you extremity to get a full essay, order it on our website: OrderCustomPaper.com

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