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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the resultant velocity if a boat travels at 15 m/s north and 20 m/s east?
π‘ Hint: Use Pythagorean theorem: vR = β(v1Β² + v2Β²).
Question 2
Easy
Break down a 50 m/s velocity at 60Β° into its components.
π‘ Hint: Use v_x = v cos(ΞΈ) and v_y = v sin(ΞΈ).
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What method do we use to find the resultant of two perpendicular velocities?
- Addition
- Subtraction
- Pythagorean theorem
π‘ Hint: Think of how we calculate the hypotenuse in a right triangle.
Question 2
True or False: Resolution of a velocity vector helps in understanding projectile motion.
- True
- False
π‘ Hint: Consider the motion of projectiles.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An athlete runs 100 m/s at 30Β° north of east. Resolve this into components and find the resultant velocity if it also runs at 20 m/s west.
π‘ Hint: First resolve into components before adding vectors.
Question 2
A rocket is launched at 150 m/s at an angle of 45Β°. Calculate the time of flight if g = 9.81 m/sΒ².
π‘ Hint: Use vertical velocity to find time of flight.
Challenge and get performance evaluation