| Question |
Answer |
| acceleration |
the rate of change of velocity over time |
| uniform acceleration |
see constant accelertaion |
| air resistance |
the resisting effect on a moving object due to friction of air. |
| delta |
the symbol that indicates the difference or change between two quantities. |
| slope |
a line's vertical change divides by its horizontal change |
| time of flight |
the elapsed time an object or projectile spends in the air |
| m/sec^2 |
a metric unit of measure for velocity |
| free fall |
movement that is due only to the force of gravity. |
| friction |
the force that opposed the relative motion of bodies. |
| initial speed |
the speed an object has at the beginning of an experiment |
| term |
a component of an equation |
| terminal speed |
maxium speed reached by an object in free fall; the speed at which forces of gravity and air resistance are equal |
| constant acceleration |
an accerelation that does not change; it is due to a velocity that changes at a constant rate |
| acceleration due to gravity(g) |
the acceleration of anobject due to earth's gravitational field strength;equal to 9.8 m/sec^2 on earth |
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