A tennis player moves in a straight-line path as shown by the following staph of posit versus time. Which statement is most correct? I. At t=2.0 seconds the tennis player is not moving. II. From t= 1.0 to t= 3.0 seconds the tennis player is moving backwards (-x direction) with a constant velocity. III. From t=3.0 to t = 4.0 seconds the tennis player is moving with a positive acceleration. sendingle x(m) a.) I b.) II C.) III d.) I and II 3.0 e.) I and III 2.0 f.) II and III 1.0 0 -1.0 1.0 2.0 3.0 .0 doig sailor t(s) -2.0 - 2 . Using the graph from problem 1, the change in position from 0 to 1.0 second is: a.) -1.0 m b.) 1.0 m C.) 1.5 m d.) 2.0 m e.) Om 3. Given the graph of position versus time, which statement is most correct about speed. x(m) tonoghinset I. The speed from 0 to 5.0 s is greater than the speed from 5.0 5.0 to 10 s QUSSAID II. . The speed from 0 to 5.0 s is equal to the speed from 5.0 to 10 s III. The speed is always positive or zero from 0 to 10 5.0 10 t(s) seconds. a. ) I b.) II C.) III d.) I and II e.) I and III f.) II and III 4. For problem 3, the total distance traveled from 0 to 10 seconds is? a.) 10 m b.) 5.0 m c.) 0m d.) 20 m e.) 25 m 5. Which statement is most correct for quantities that are vectors? a.) Speed b.) Velocity C.) Acceleration d.) Speed and Velocity e.) Velocity and Acceleration f.) Speed and Acceleration. 6. The velocity-time graph shown below represents v(m/s) 4 the linear motion of an object. The motion of the object may best be described by: 5.0 a.) constant velocity followed by constant acceleration. b.) constant velocity followed by the object at rest. C. ) constant acceleration followed by constant velocity. d.) changing acceleration followed by constant acceleration. 5.0 10 t(s) e. ) constant acceleration followed by the object at rest. 7. A ball is thrown vertically upward as shown. When the ball is at its peak, + X which statement is correct about velocity (v) and acceleration (a)? Note, the coordinate system is positive in the upward direction. a.) v(+), a(-) b.) v(0), a(-) C.) v(0), a(0) d.) v(-), a(-) e.) v(0), a(+)The position-time graph shown below represents the linear motion of an object. x(m) 4 SI The motion of the object may best be described by: 5.0 - sod anton a.) constant velocity followed by constant acceleration. b.) constant velocity followed by the object at rest. C.) constant acceleration followed by constant velocity. changing acceleration followed by constant acceleration. 5.0 10 t(s) e.) constant acceleration followed by the object at rest. 9. A student completes a lab and measures 3 quantities A, B, C. Quantity A has units of m/s3 quantity B has units of kg/m and quantity C has units of kg/s. If D = AB/C, what are the units for D? a.) kg2m/s b.) kg/s+ c.) kg m/s d.) 1/$2 e.) None of the above V(m/s) 10. Given the graph of velocity vs. time, at what time(s) is the object stopped? a.) Os b.) 0 to 4.0 s c.) 4.0 to 6.0 s d.) 4.0 s e.) 6.0 s C. , 4.0 6.0 t(s) -2.0 be greater 11. Given the graph of position vs. time, find the following: a.) Graph velocity vs. time. Label numerical values of the x(m) 5.0 x and y axes. b.) What is the distance traveled between 0 to 10 seconds? c.) What is the change in position (displacement) from 0 to 10 seconds? d.) At what time(s) is the object stopped? 5.0 10 t Velocity (m/s) b.) CYounT C.) d.) Time (s) O