Multiplication with Vectors
Trending Questions
What is the angle between the following pair vectors? →A=^i+^j+^k and →B=−2^i−2^j−2^k
60∘
30∘
90∘
180∘
- The magnitude of the vector is doubled but its direction remains the same
- The magnitude of the vector remains the same but its direction is reversed
- The magnitude of the vector is doubled and its direction is reversed
- Neither the magnitude nor the direction of the vector undergo any change
Calculate the area of the triangle determined by the two vectors →A=3^i+4^j and →B=−3^i+7^j
0sq unit
20sq unit
16.5sq unit
12.4sq unit
What happens if a vector is multiplied by the number 2?
The magnitude of the vector is doubled but its direction remains the same.
The magnitude of the vector remains the same but its direction is reversed.
The magnitude of the vector is doubled and its direction is reversed.
Neither the magnitude nor the direction of the vector undergo any change.
What happens if a vector is multiplied by the number -2?
The magnitude of the vector is doubled and its direction is reversed.
The magnitude of the vector remains the same but its direction is reversed.
Neither the magnitude nor the direction of the vector undergo any change.
The magnitude of the vector is doubled but its direction remains the same.
What is the angle between the following pair vectors? →A=^i+^j+^k and →B=−2^i−2^j−2^k
60∘
30∘
90∘
180∘
- Length of side AB is 5 units.
- Length of side BC is of length √14 units.
- Angle between side AB & BC is θ=cos−1√1419.
- Angle between side AB and BC is 30∘.
- 8
- 5
- 12
- 0
- 3
- 5
- 12
- 8