3. Given 1 a Prp = -ih-r(rv), Tup = rp, Find [Pr,7]. Ap,AF and pfy.
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- At a track and field meet, the best long jump is measured as 8.40 m. The jumper took off at an angle of 33.0° to thehorizontal. What was the initial speed of the jumper? Ans) ____m/sA rock is tossed from the top of a building at an angle of 30° above the horizontal with an initial speed of 12 m/s. The rock lands on the ground 2.5 s after it is tossed. What is the height of the building (in m)? mI threw a rock into a quarry horizontally 30 m/s. The quarry was 80 meters deep. How far did it go horizontally? A. 144 m B. 80 m C. 40 m D. 120 m
- A rock is tossed from the top of a building at an angle of 20° above the horizontal with an initial speed of 15 m/s. The rock lands on the ground 3.0 s after it is tossed. What is the height of the building (in m)? mA B The sum of vectors A and B is -Do ListsPick the best mathematical expression that describes this combination of two vectors. R а. А+ В b. Ā-B с. 2A + В d. 2Ā-B 2