1. Determine the momentum of the following objects. (a) an electron of mass 9.11 x 10- kg travelling north at 6.45 x 106 m/s 2. A boat of mass 1.3 10 kg has a velocity of 9.8 m/s[E44N]. Determine the northward and eastward components of its momentum. North (a) a 4.0 x 105 kg jet travelling south at 755 km/h 3. What impulse is exerted in each case? (a) a force of 35 N[W] on a dynamics cart for 2.3 s East (b) the Earth pulling down on a 16 kg rock during the 4.0 s it takes to fall from a cliff