Subject: Mathematics
Book: Maths Mastery
Real-life vector problems often combine multiple directions, like wind affecting a plane’s flight or multiple forces on an object. If u20d7F₁=[5,2] and u20d7F₂=[–3,4], the resultant u20d7F=[2,6] has magnitude √(2²+6²)=√40=6.32. Angles can also be found with tan⁻¹(6/2)=71.57°. Summation or subtraction of displacement vectors clarifies final positions. Mastering these steps is crucial in engineering mechanics, navigation, or sports analysis (ball trajectory). Thorough practice ensures accurate solutions for real-world directional and magnitude-based tasks.
If the perimeter of a square is 40 cm, what is the area of the square?
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