Honors Physics Midterm Exam
Questions and Answers 100% Pass |
Graded A+
Displacement - change in position
given by the difference in the initial and final position
*A vector*
∆x = ∆xi - ∆xf
(m)
Distance - total length traveled
not a vector
(m)
Velocity (Speed) - rate of motion over...
given by the difference in the initial and final position
*A vector*
∆x = ∆xi - ∆xf
(m)
Distance - ✔✔total length traveled
not a vector
(m)
Velocity (Speed) - ✔✔rate of motion over an entire trip
Speed = distance/time
Not a vector
(m/s)
Acceleration - ✔✔a change in an objects speed, direction of motion, or both
, *A vector*
A(avg) = ∆v/∆t
(m/s²)
Velocity/Acceleration relationship - ✔✔Speeding up - v and a point in same
direction
Slowing down - v and a point in different directions
Free Fall - ✔✔- an object in free fall is totally under the influence of gravity,
regardless of initial motion
- all objects in free fall experience the same acceleration
**- Acceleration due to gravity: 9.81 m/s² **
Trigonometry Equations - ✔✔SOH CAH TOA
sin = opp/hyp
cos = adj/hyp
tan = opp/adj
a²+b²=c² (for right triangles only)
Vector Components (definition) - ✔✔a projection of the length of the vector
onto an axis in the coordinate system
(basically, shows how far the vector goes in the x axis and y axis)
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