Unit Conversion

Practice

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 …
  1. the total volume of asphalt needed,
  2. the number of dumptruck loads required, and
  3. the gross mass of each truck.

solution

Answer it.

practice problem 2

Determine which of the following expressions are dimensionally consistent.
     
v2 = 2ax x = vt + ½at3
tan θ =  v
x
     

solution

Answer it.

practice problem 3

Write something else.

solution

Answer it.

practice problem 4

Write something completely different.

solution

Answer it.

The Physics Hypertextbook

  • No condition is permanent.