practice problem 1
A 20 km long, 8 m wide, two-lane highway is to be paved with a 4 cm thick layer of asphalt. A fleet of three dumptrucks is to be employed, each with an empty mass of 20 metric tons and a carrying capacity of 20 m3. Asphalt with a density of 0.72 g/cm3 will be used. Determine…
- the total volume of asphalt needed
- the number of dumptruck loads required
- the gross mass of each truck
practice problem 2
Determine which of the following expressions are dimensionally consistent.
v2 = 2ax x = vt + ½at3 tan θ = v x
practice problem 3
Write something else.
practice problem 4
Write something completely different.