# Vectors

Not what you're looking for?

1. Find the component form of the vector representing the velocity of a boat traveling at 8 knots, or nautical miles per hour, with a bearing of N 53-degrees W.

2. A force of 703 pounds is needed to push a stalled car up a hill inclined at an angle of 16-degrees to the horizontal. Find the weight of the car. Ignore friction.

3. The vectors U and V are orthogonal. Find the value of a.

U= {a,-7}, v= {42,-30}

4. A horizontal force of 80 pounds is applied to an object as it is pushed up a ramp that is 13 feet long. Find the work done if the ramp is inclined at an angle of 40-degrees above the horizontal.

5. Find the indicated roots of the complex number. Fifth roots of 32.

##### Purchase this Solution

##### Solution Summary

This shows how to work on word problems involving vectors and force.

##### Solution Preview

1. Find the component form of the vector representing the velocity of a boat traveling at 8 knots, or nautical miles per hour, with a bearing of N 53-degrees W.

Using i represent the N direction and j represent the W direction, then we got the vector ...

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

##### Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

##### Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

##### Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

##### Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts