Have an account?
Skip to Content
Build your own quiz
Suggestions for you
15 questions
Show Answers
See Preview
- 1. Multiple ChoiceFind the dot product of <1, -2> and <3, 2>.1<3, -4><4, 0>-1
- 2. Multiple ChoiceFind the angle between vectors <1,3> and <2,-5>.40.24°49.76°139.76°92.57°
- 3. Multiple Choice
Find the angle between the two vectors:-0.789142.11000.789 - 4. Multiple ChoiceHow do you know if two vectors are orthogonal?Their sum is 0.The dot product is 1.The angle between them is 0°.The dot product is 0.
- 5. Multiple ChoiceFind the angle between u and v.78.930o33.691o101.070o146.310o
- 6. Multiple Choice
Which are equivalent vectors?
u and -u
u and a
u and v
u and b
- 7. Multiple ChoiceFind the dot product of the given vectors:920-92none of the above
- 8. Multiple Choice
If the dot product of two vectors is equal to zero, then what do we know about the two vectors? Select all that are correct.
They are parallel.
They are orthogonal.
They are neither.
who knows?????????
They are perpendicular
- 9. Multiple ChoiceFind the angle between the two vectors <3, 4> and <4, -3>90°45°53.13°106.26°
- 10. Multiple Choice
What is the answer when you take dot product between two vectors?
a vector
a scalar
a vector and scalar
nothing
- 11. Multiple ChoiceFind the magnitude of the resulting force of the combined vectors given their magnitude and direction:
F1 : magnitude = 60 lbs, θ = 80°
F2 : magnitude = 80 lbs, θ = 20°121.66 lbs<85.6, 86.5>45.3°140 lbs - 12. Multiple ChoiceFind the direction angle of the resulting force of the combined vectors given magnitude and direction:
F1 : magnitude = 60 lbs, θ = 80°
F2 : magnitude = 80 lbs, θ = 20°121.66 lbs<85.6, 86.5>45.3°140 lbs - 13. Multiple ChoiceFind the component form of the resulting force of the combined vectors given magnitude and direction:
F1 : magnitude = 60 lbs, θ = 80°
F2 : magnitude = 80 lbs, θ = 20°121.66 lbs<85.6, 86.5>45.3°140 lbs - 14. Multiple ChoiceAn airplane is flying on a bearing of 340o at 355 mph. A wind is blowing with the bearing of 115o at 40 mph. Find the component form of the resultant vector. Round to three decimal places.<-85.165, 316.686><316.686, -85.165><-316.686, -85.165><-89.543, 309.289>
- 15. Multiple ChoiceFind the dot product of <1, -2> and <3, 2>.1<3, -4><4, 0>-1
- Answer choicesTagsAnswer choicesTags