A particle is placed at the point A of a frictionless track ABC as shown in figure. It is gently pushed toward right. The speed of the particle when it reaches the point B is : (Take g = 10 m/s²).

Question

G1 Physics · Accepted Answer

Image By conservation of mechanical energy: K.E.(A) + U(A) = K.E.(B) + U(B) 0 + mg(1) = ½mv² + mg(0.5) mg(0.5) = ½mv² v² = g v = √10 m/s