An explosion breaks a rock into three parts in a horizontal plane
An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of […]
NEET 2013
The upper half of an inclined plane of inclination θ is perfectly smooth while lower
The upper half of an inclined plane of inclination θ is perfectly smooth while lower half is rough. A block starting from rest at the top of the plane will again come to rest at […]
A uniform force of (3i + j) newton acfs on a particle of mass 2kg
A uniform force of (3i + j) newton acfs on a particle of mass 2kg. The particle is displaced from position (2i + k) meter to position (4i + 3j – k) meter. The work […]