A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³,where p=3 m/s,q=4 m/s² and r=5 m/s³.The force acting…
7 years ago
Physics
In the diagram shown in figure, match the following about weight
In the diagram shown in figure,match the following (take, g=10 m/s²) Column I Column II A. Acceleration of 2kg block…
7 years ago
Four blocks of same mass connected by cords are pulled by a force F
Four blocks of same mass connected by cords are pulled by a force F on a smooth horizontal surface, as…
7 years ago
An open knife edge of mass 200g is dropped from height 5m on a cardboard
An open knife edge of mass 200g is dropped from height 5m on a cardboard. If the knife edge penetrates…
7 years ago
A lift is moving down with acceleration a.A man in the lift drops a ball
A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift.The acceleration…
7 years ago
A disc of mass 100 g is kept floating horizontally in air by firing bullets
A disc of mass 100 g is kept floating horizontally in air by firing bullets, each of mass 5g with…
7 years ago
Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string
Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string which passes over…
7 years ago
The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve
The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve of radius 150 m and…
7 years ago
You are marooned on a frictionless horizontal plane and cannot exert any horizontal
You are marooned on a frictionless horizontal plane and cannot exert any horizontal force by pushing against the surface.How can…
7 years ago
A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at
A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at t=0 is v=(6i-12j)m/s.The…
7 years ago