Question

. A bobsled zips down an ice track, starting from rest at the top of a hill with a vertical height of 200m. Disregarding friction, what is the velocity of the bobsled at the bottom of the hill? (g=9.81 m/s2)

Answer 1

in this ques use conversion of energy.here the potential energy of the system is being converted into the body's kinetic energy.
kinetic energy=(1/2)mv^2
potential energy=mgh