Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is Options…
7 years ago
Motion in Plane
If a vector 2i+3j+8k is perpendicular to the vector 4j-4i+αk, then value of α is
If a vector 2i+3j+8k is perpendicular to the vector 4j-4i+αk, then value of α is Options (a) -1 (b) 1/2…
7 years ago
If the angular momentum of any rotating body increase by 200 % , then the increase
If the angular momentum of any rotating body increase by 200%, then the increase in its kinetic energy Options (a)…
7 years ago
A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t
A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y =…
7 years ago
What will be the ratio of the distance moved by a freely falling body from rest in 4th
What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th…
7 years ago
The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be Options (a) 18 (b) 28…
7 years ago
If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is Options (a) 5i+20j…
7 years ago
If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is Options (a) 0…
7 years ago
At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10? Options (a)…
7 years ago
Vectors A⃗, B⃗ and C⃗ are such that A⃗ . B⃗ = 0 and A⃗ . C⃗ = 0 Then the vector parallel
Vectors A⃗, B⃗ and C⃗ are such that A⃗ . B⃗ = 0 and A⃗ . C⃗ = 0 Then…
7 years ago