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Mechanics (to find speed = d / t (Describe the motion of an object using a…
Mechanics
to find speed = d / t
Describe the motion of an object using a graph.
Find the area underneath a graph.
speed-time graph
x axis is time and y axis is speed
to find distance = t x v
distance-time graph... distance is y axis and time is x axis
straight line in distance-time means the object is stationary.
straight line in speed-time graph is constant speed
speed - amount
velocity - amount + direction
to find acceleration = (final speed - initial speed) / change in time
distance-time graph
to find the total distance is the area under the graph
speed is define by the formula v=d/t
A curving line means that the object is accelerating.
acceleration is metres per second per second
acceleration is the change of speed over a time frame
straight line in distance-time graph, the object is stationary
instantaneous speed
velocity is applicable to both speed and velocity??
velocity has magnitude and direction
speed only has a magnitude