Modeling

1. The plot shows a rifle of paper tape that has been pulled down the st atms a vibrating arm by an goal moving at ageless speed. The arm is vibrating regularly, qualification 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 constant come out from a moving railway car. The diagram shows the pattern of the drips on a road. [pic] Which statement describes the motion of the car? A It accelerate and why go at a unfaltering speed. B It speed up and because slowed down. C It moved at a crocked speed and then slowed down. D It moved at a steady speed and then accelerated. 3. A rig of splendid card is held against the dentition of a cog wind. [pic] When the motorcycle is grim at high speed, a note is heard. How can the stand up of the note be raised(a)? A by force out per unit bea the card against the teeth with a greater force B by turning the wheel more quickly C by utilize a thicker card D by using a wheel with fewer teeth 4. An airship is moving forwards at constant height. [pic] Which statement is decline? A Gravity no womb-to-tomb has any effect. B The airship now has zilch mass. C The potential naught is zero. D The upward and downward(prenominal) forces are balanced. 5. An aircraft, flying at a constant height, is gaining speed.

The tetrad forces playing are L rise up delinquent 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 speedup 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 ignore bounds of a ruler, as shown. [pic] In which...If you want to thread a full essay, hostel it on our website: Ordercustompaper.com

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