Phy Sci Ch 2; MC #2 Word Scramble
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| Question | Answer |
| What is necessary to designate a position? | A reference point |
| Which one of the following describes an object in motion? | It is continuously changing position |
| Which one of the following is always true about the magnitude of a displacement? | It is less than or equal to the distance traveled |
| Which is true of an object with constant velocity? | It has constant speed; It has constant direction; It travels equal distances in equal times |
| Acceleration may result from what? | An increase speed; A decrease in speed; A change in direction |
| For a constant linear acceleration, what changes uniformly? | Velocity |
| Which one of the following is true for a deceleration? | The acceleration is in the direction opposite to the velocity |
| An object is projected straight upward. Neglecting air resistance, it ______ | Returns with the same initial speed; Has zero velocity at the top of the projection; Has a constant acceleration throughout |
| Which of the following components of a car could also be technically called an "accelerator"? | Gas pedal; Brake pedal; Steering wheel |
| If the speed of an object in uniform circular motion is doubled and the radial distance remains constant, then the magnitude of the centripetal acceleration increases by what factor? | 4 |
| In the absence of air resistance, a projectile launched at an angle of 33 above the horizontal will have the same range as a projectile launched at which angle? | 57 Degrees |
| A football is thrown on a long pass. Compared to the ball's initial horizontal velocity, the velocity at the highest point is ______ | The same |
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scarangelo