Mathematical Approach to Two Dimensional Motion 1.A train travels 300.0 km [W] and then goes 600.0 km [S]. The trip takes 11.0 h. Calculate the velocity.

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Presentation transcript:

Mathematical Approach to Two Dimensional Motion 1.A train travels km [W] and then goes km [S]. The trip takes 11.0 h. Calculate the velocity of the train. 300 km 600 km x x = 63.4°  the displacement of the train was km [63° S of W]

2.A skateboarder goes m [N], then heads m [E], and then heads m [N]. Calculate the resultant displacement.

= x = 54°  The resultant displacement is 1157 km [54° N of E] x

3.A car travels at km/h [E] and then turns and is going 80.0 km/h [N]. The entire trip takes 5.0 hours. Calculate the resultant displacement of the trip km/h 80.0 km/h = x  the resultant velocity of the car was km/h [34° N of E]

Up the Creek Questions 1.A river has a current of 24.0 km/h [E] and a canoeist is paddling at 12.0 km/h [N]. If the river is m wide, calculate the following: (a)the amount of time it takes to cross the river (b)the displacement downstream the canoeist finishes (c)the resultant velocity of the canoeist river current 24.0 km/h 12.0 km/h0.3 km

(a) (b) (c) = 26.8  the resultant velocity is 27 km/h [63° E of N]