The horizontal range and maximum height of a projectile are equal.The angle of projection
The horizontal range and maximum height of a projectile are equal.The angle of projection is Options (a) θ=tan⁻¹(1/4) (b) θ=tan⁻¹(4)…
7 years ago
Physics
A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
A and B are two vectors and θ is the angle between them ,if ｜A x B｜=√3(A･B),the value of θ…
7 years ago
If r denotes the distance between sun and the earth, then the angular momentum of the earth
If r denotes the distance between sun and the earth, then the angular momentum of the earth around the sun…
7 years ago
A particle has initial velocity (3i + 4j) and acceleration (0.1 i+0.3j). It’s speed after 10s
A particle has initial velocity (3i + 4j) and acceleration (0.1 i+0.3j). It's speed after 10s is Options (a) 7…
7 years ago
Under the action of a force F=cx, the position of a body changes from 0 to x.The work done
Under the action of a force F=cx, the position of a body changes from 0 to x.The work done is…
7 years ago
The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is…
7 years ago
A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an accelerationof 1 m/s². The mass of this body must be
A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an acceleration of 1 m/s². The mass of…
7 years ago
What is the charge of electron
Charge of Electron (e) = 1.602 x 10⁻¹⁹ Coulombs Explanation The elementary charge is the electric charge carried by a…
8 years ago
What is the speed of light in vacuum
Speed of light in vacuum (c) = 3 x 10⁸ m/sec Explanation In km/sec, it is close to 300K Kilometres/sec.…
8 years ago