Ex 10.2

Ex 10.2, 1

Ex 10.2, 2

Ex 10.2, 3 Important

Ex 10.2, 4

Ex 10.2, 5 Important

Ex 10.2, 6

Ex 10.2, 7 Important You are here

Ex 10.2, 8

Ex 10.2, 9

Ex 10.2, 10 Important

Ex 10.2, 11 Important

Ex 10.2, 12

Ex 10.2, 13 Important

Ex 10.2, 14

Ex 10.2, 15 Important

Ex 10.2, 16

Ex 10.2, 17 Important

Ex 10.2, 18 (MCQ) Important

Ex 10.2, 19 (MCQ) Important

Last updated at April 16, 2024 by Teachoo

Ex 10.2, 7 Find the unit vector in the direction of the vector 𝑎 ⃗ = 𝑖 ̂ + 𝑗 ̂ + 2𝑘 ̂ 𝑎 ⃗ = 𝑖 ̂ + 𝑗 ̂ + 2𝑘 ̂, = 1𝑖 ̂ + 1𝑗 ̂ + 2𝑘 ̂, Magnitude of 𝑎 ⃗ = √(12+12+22) |𝑎 ⃗ | = √(1+1+4) = √6 Unit vector in direction of 𝑎 ⃗ = 𝟏/|𝒂 ⃗ | . 𝒂 ⃗ 𝑎 ̂ = 1/√6 ["1" 𝑖 ̂" + 1" 𝑗 ̂" + 2" 𝑘 ̂ ] 𝑎 ̂ = 𝟏/√𝟔 𝒊 ̂ + 𝟏/√𝟔 𝒋 ̂ + 𝟐/√𝟔 𝒌 ̂