montgomerykarloxc24x
25.09.2019 •
Mathematics
)a bus travels 400 km in 4.5 hours. (5 total)
a. let the variable v be the speed of the bus. give an equation for v. (2)
400km is the speed of the bus so you have to
b. use your calculator to find v as a decimal. include the unit. (3; 1 point for unit labeled)
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Ответ:
The formula for the speed ( the velocity ) is:
v = d / t ( distance/time )
So v = 400 km / 4.5 h
v = 88.89 km/h
The SI unit is m/s.
If we want to transform km/h to m/s we have to divide this result by 3.6:
88.89 km/h : 3.6 = 24.69 m/s
The speed of the bus is 88.89 km/h or 24.69 m/s.
Ответ:
Graph A is the answer
Step-by-step explanation: