2. During 4.0 min on a lake, a loon moves25.0 m [E 30.0° N] and then 75.0 m [E 45.0° S].Determine the loon's(a) total distance travelled(b) total displacement(c) average speed(d) average velocity ™3. A car driver in northern Ontario makes the followingdisplacements:Ad, 15.0 km [W 30.0° N],Ad₂ = 10.0 km [W 75.0° N],and Ad, = 10.0 km [E 70.0° N].The trip takes 0.50 h. Calculate the average velocityof the car and driver. ™ 9. A helicopter travelling horizontally at 50.0 m/s [W]turns steadily, so that after 45.0 s, its velocity is35.0 m/s [S]. Calculate the average acceleration ofthe helicopter. ™A10. A ball on a pool table bounces off the rail (side),as shown in Figure 5. The ball is in contact with therail for 3.2 ms. Determine the average accelerationof the ball.8.2 m/s25%Figure 58.2 m/sN

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Answered: 2. During 4.0 min on a lake, a loon…

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2. During 4.0 min on a lake, a loon moves 25.0 m [E 30.0° N] and then 75.0 m [E 45.0° S]. Determine the loon's (a) total distance travelled (b) total displacement (c) average speed (d) average velocity TA