A boat is moving across a river at a speed of 8 km/h, while the river flows at 3
Practice Questions
Q1
A boat is moving across a river at a speed of 8 km/h, while the river flows at 3 km/h. What is the resultant speed of the boat relative to the riverbank?
5 km/h
8 km/h
9 km/h
11 km/h
Questions & Step-by-Step Solutions
A boat is moving across a river at a speed of 8 km/h, while the river flows at 3 km/h. What is the resultant speed of the boat relative to the riverbank?
Relative Velocity – Understanding how to calculate the resultant speed of an object moving in two perpendicular directions.
Pythagorean Theorem – Applying the theorem to find the magnitude of the resultant vector from two perpendicular components.