Motion
action or process of moving or being moved
Delta= Change
Xf - Xi
Displacement
A train travels at a speed of 30mph and travel a distance of 240 miles. How long did it take the train to complete the journey?
T- 8 hours
A= -45m/s divided by 25s
A= -1.8 m/s2
Displacement
straight-line length and direction from the starting point to the ending point.
V
Velocity
P=MV
Momentum
A car travels a distance of 540km in 6 hours. What speed did it travel at?
S=90kmh
S= 30 mi divided by 6 hrs
S= 5 mph
velocity
speed of something in a given direction
X
position
S=D/T
Speed
Lauren walks 100m in half a minute. What must her speed have been to travel this distance?
S=3.33m/s
D= 50 km/h times 2 hrs
D= 100 km
Instantanious speed
speed of an object at a specific instant of time
A
Acceleration
A= Delta V/ T
Acceleration
How long does it take to travel a distance of 672km at a speed of 96km/h?
T=7 hours
P= 60 kg times 3 m/s
P= 180 kg m/s
Vector
quantity that has both magnitude and direction
Momentum
D=SxT
Distance
A runner increases his velocity from 0 m/s to 20 m/s in 2 s. What is the runner's average acceleration?
A=10m/s2
P= 620 kg times 33 m/s
P= 20,460 kg m/s