Question

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2. Convert the polar coordinates of (135m, 182 degrees) to Catesian coordinates.

A. (-4.71 m, 134.9m) B. (134.9m, 4.71m) C.(-134.9m, -471m) D. (4.71 m, 134.9m)

3. A swimmer completes six laps in a 50-m swimming pool, finishing where he started. What were the linear distance and the linear displacement?

A. Distance = 150 m, displacement = 150 m.

B. Distance = 300 m, displacement = 300 m.

C. Distance = 300 m, displacement = (0m,0m).

4. A basketball player shoots from beyond the 3-point arc. The ball leaves the band with an initial velocity of 8 m/s angled 52 degrees from the horizontal. What are the horizontal and vertical velocities of the basketball?

A. Horizontal velocity = 6.3 m/s. Vertical velocity = 4.9 m/s.

B. Horizontal velocity = 4.9 m/s. Vertical velocity = 6.3 m/s

C Horizontal velocity = 6.0 m/s. Vertical velocity =5.0 m/s.

D. Horizontal velocity = 5.0 m/s. Vertical velocity = 6.0 m/s

5. At takeoff, the horizontal and vertical velocities of a long jumper are 7.6 m/s ad 3 m/s, respectively. What are the resultant velocity and angle of takeoff?

A. Resultant Velocity = 8.17 m/s. Angle of takeoff = 11.9 degree

B. Resultant velocity = 7.2 m/s. Angles of takeoff = 11.9 degree

C. Resultant velocity = 7.2 m/s. Angles of takeoff = 21.5 degree

D. Resultant velocity = 8.17 m/s. Angles of takeoff = 21.5 degree

6. Suppose an individual moves form point s1 (6,9) to point s2 (11,10) to point s3 (5,6). What are the horizontal, vertical and resultant displacement?

A. Horizontal = 11. Vertical = 5, Resultant = 12.1

B. Horizontal = 1. Vertical = 3, Resultant = 3.16

C. Horizontal = -1. Vertical = -3, Resultant = 3.16

D. Horizontal = -11. Vertical = -5, Resultant = 12.1

Answer 1