The value of λ for which the 2 vectors 2i – j + 2k and 3i + λ j + k are perpendicular is
Dot product of two mutually perpendicular vectors is zero. ⇒ 2 x 3 + (-1)λ + 2 x 1 = 0 ⇒ λ = 8
In the evening, Nimita started walking positioning her back towards the sun. After sometime, she turned right, then turned left and then towards the rig...
After going 80 m from his home towards east, a person turns left and goes 20 m, then turns right and moves 100 m, then turns left and goes 60 m, then t...
A person walks 35 km South. Then he turns East and flies 20 km, then he turns to its left and walks 15 km, then he turns and walks 20 km towards West. W...
Pooja walks 16 km towards North. From there she walks 10 km towards South. Then, she walks 8 km towards East. How far is she from her starting point? ...
Rahul facing towards north moved straight 5 km and from there he turned 90° to his right and travelled 4 km. Then he took a 90° turn to the right and ...
What is the shortest distance between J and N?
Arihant starts walking towards the west after walking 70m he turns to his left and walks 35m then he turns left again and walks 30m, again he turns his ...
If X is 5 m south of P and Z is 14 m west of X, then what is the distance between Z and T?
Mita started walking towards North. After walking 25 metres she turned right and walked 20 meters and took a left turn and walked 5 meter. In which dire...
J % M, P * J, M % Q, R * P then find the minimum distance between P and M (approx.)?
