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 the bottom, if the coefficient of friction between the block and lower half of the plane is given by

Options

(a) µ = 2 / tan θ
(b) µ = 2 tan θ
(c) µ = tan θ
(d) µ = 1 / tan θ

Correct Answer:

µ = 2 tan θ

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
  2. Three resistances 2Ω, 3Ω and 4Ω are connected in parallel. The ratio of currents passing
  3. The core of a transformer is laminated because
  4. The distance of the closest approach of an alpha particle fired at a nucleus
  5. According to Hook’s law of elasticity, if stress is increased, the ratio of stress