Let and c = i + j -2 k be three vectors. A vector in the plane of and whose projection on…
Physics · JEE Advanced · NTA Exams — Kinematics
Let
and \(\vec{c}=\hat{i}+\hat{j}-2 \hat{k}\) be three vectors. A vector in the plane of
and
whose projection on
is of magnitude \(\sqrt{\frac{2}{3}}\) is
Answer
(C)
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A person measures the depth of a well by measuring the time interval between dropping a stone and receiving…
- Velocity and acceleration of a particle initially are v =(3 i +4 j ) m/s and a =-(6 i +8 j ) m/s2…
- What determines the nature of the path followed by a particle?
- A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a…
- A drag racing car starts from rest at t = 0 and moves along a straight line with velocity given by v = bt2…
- If a , b and c are unit vectors, then | a - b |^ 2 +| b - c |^ 2 +| c - a |^ 2 does not exceed
- A small but heavy block of mass 10 kg is attached to a wire 0.3m long. Its breaking stress is 4.8 × 10 7 N/m…
- Assertion: When velocity of a particle is zero then acceleration of a particle is also zero. Reason…