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[6. At t= i]. a stationaryr police cc! is passed by a speeding sports car. This occurs on a straight highway. Their subsequent velocities are
[6. At t= i]. a stationaryr police cc! is passed by a speeding sports car. This occurs on a straight highway. Their subsequent velocities are shown in a vt graph. Use the graph to solve the following problems. He organized ! [10] to} Prove that the police car overtakes the sports car when t = ED 5. to] Determine the average velocityr at which the police car travels during this so s time interval. [c]: Find the distance between the two cars when t = 30 s. [a] nd the acceleration of the sports car when t = 3D 5. wins) 33 2!! Part D ltcation 21) marks 15. A medieval prince Trapped in a castle wraps a message around a root: and throws it from the top at the castle wall with an initial 1velocity:r of 42.2fm? [3?" above the horizontal]. The rock: Iondsjust on the for side of the castle's moat, at o FEVEI if: m above the initial level. Draw a digram of situation. Determine the width of the moat and velocity of impact. [ID] _. '2 15. A 51mm wide river flows at [LSD mfs. A girl Mms across 'It at 1.33 ms relative to the water. Draw a diagrambe organized. to} What is the least time she requires to cross the river? {Io} How for downstream will she Ioe when she lands on the opposite share? to] Al what ange to the shore would she have to aim, in order to arrive at a point direatty opposite the starting point? to} How long would the trio in port [a] take? [3? marks] Part C Thinking E Inggig |TI| Full Solution reguired. I15 marksl 14. A baseball, thrown from shortstop position to rst base, travels 31.0 In horizontally, it rises 2.5 n1, and falls 2.5 rn. Draw a diagram of situation [2] Find the initial velocity.I of the hall. {Mag u. angle) Show work. Explain what you are doing [3] I3. Relief packages are dropped from airplanes to the ground below. What considerations must be taken into account in order for the packages to hit their targets? Explain howr a pilot can determine the correct timing for the release of the packages. [3]
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