JEE Main 2024 — Mechanics

A particle moves in a circle of radius R with constant angular velocity ω. If the centripetal acceleration is 4 m/s² when R = 2 m, what is the angular velocity?

A particle moves in a circle of radius R with constant speed v. Its centripetal acceleration is

The dimension of Planck constant is same as

A ball is projected at 45° with speed 20 m/s. Find the maximum height reached (in metres). Take g = 10 m/s².

What is the time of flight of the ball along the inclined plane?

What is the maximum height attained by the ball perpendicular to the inclined surface?

What is the range of the ball along the inclined plane?