3.6 - Numerical Problems
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Calculate the resultant velocity if two boats are moving with velocities of 20 m/s east and 30 m/s north.
💡 Hint: Use the Pythagorean theorem.
What is the angle of the resultant velocity when adding 15 m/s north to 40 m/s east?
💡 Hint: Use tangent to find the angle.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the resultant velocity when two perpendicular velocities of 30 m/s and 40 m/s are combined?
💡 Hint: Think about how to find the resultant vector.
True or False: Resolution of a velocity vector involves breaking it into components.
💡 Hint: Consider what it means to resolve vectors.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A ship sails at a speed of 40 m/s south, and then changes course to travel at 60 m/s east. Find the resultant speed, its angle, and the method used.
💡 Hint: Combine vectors using Pythagorean theorem and tangent.
A football is kicked at 20 m/s at an angle of 75 degrees to take off. Find both horizontal and vertical components, displaying each calculation.
💡 Hint: Divide calculations into cosine and sine for each axis.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.