Question Answers

Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 5 - Work, Energy and Power > In a shotput event an athlete throws the shotput of mass 10 kg with an initial speed of 1m/s at 45^∘ from a height 1.5 m above ground. Assuming air resistance to be negligible and acceleration due to gravity to be 10m/s^2, the kinetic energy of the shotput when it just reaches the ground will be

In a shotput event an athlete throws the shotput of mass 10 kg with an initial speed of 1m/s at 45^∘ from a height 1.5 m above ground. Assuming air resistance to be negligible and acceleration due to gravity to be 10m/s^2, the kinetic energy of the shotput when it just reaches the ground will be

one gradual and the other steep meet at A from where two stones are allowed to slide down from rest one on each tracks as shown in figure. Which of the following statements is correct? Two inclined frictionless tracks