Physics 1100 In-Class Problems: Math Review

1. Convert the following:
   (a) 72 km/h to metres per second (m/s).
   (b) 17.00 years to seconds.
   (c) 3.5 km² to square metres.
   (d) 33.0 cm² to cubic metres
   (e) 2.55 g/cm² to kg/m²
   (f) 35 m²/h to cm²/s
   

2. In the triangles below, determine the length of the missing side using Pythagoras' theorem. Determine the angles in each triangle.
   

   
   

   
   

   
   

3. Compute the following:
   (a) 0.989 × 10⁴ × 2.456 × 10²
   (b) 4.37 × 10² ÷ 3.21 × 10²
   (c) 2.246 × 10⁵ + 7.81 × 10⁴
   

Questions? mike.coombes@kwantlen.ca