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Speed, Distance, Time Worksheet. Use * m/s, km/h, or mph. Calculate Speed R̅= P 1. A car travels a distance of 540km in 6 hours. Calculate the speed of the car. 2. John is a runner. He runs the 100m sprint in 20.0 s. Calculate the John’s speed. 3. Lauren walks 400 m in 125 s . Calculate Lauren’s average speed. 4.
The variables include acceleration (a), time (t), displacement (d), final velocity (vf), and initial velocity (vi). If values of three variables are known, then the others can be calculated using the equations. This page demonstrates the process with 20 sample problems and accompanying solutions.
Δt or t : change in time or time (s) Δv : change in velocity (m/s) v i: initial velocity (m/s) v f: final velocity (m/s) a : acceleration (m/s2) (note: on many different equation sheets x is substituted by d for displacement) Variables (mks unit) Δy or y : change in position or displacement (m) in the y axis Δv : change in velocity (m/s)
This is the first major formula, used for the calculation of average velocity. ⃗vave= Δd⃗ Δt v = velocity (m/s) d = displacement (m) t = time (s) • It is called average velocity because it looks at your overall velocity for the entire trip, not at any one particular velocity you might have been traveling at during the trip.
Displacement, velocity & acceleration. Displacement is a vector quantity - it is the change of position of an object. Velocity is a vector quantity - it is the rate of change of displacement with time. Acceleration is the rate of change of velocity with time. There are five kinematics rules: each one requires three of the variables to be known.
Kinematic equations relate the variables of motion to one another. Each equation contains four variables. The variables include acceleration (a), time (t), displacement (d), final velocity (vf), and initial velocity (vi).
Lesson 9: d-t & v-t Graphs. Graphing the motion of objects gives us a way to interpret the motion that would otherwise be difficult. Graphs will also allow you to show a large amount of information in a compact way. Sometimes called d-t graphs, or position – time graphs. Sometimes called v-t graphs.
