A stone of 1kg is thrown with a velocity of 20m/s across the frozen surface of Lake and comes to re

Описание к видео A stone of 1kg is thrown with a velocity of 20m/s across the frozen surface of Lake and comes to re

#A_stone_of_1kg_is_thrown_with_a_velocity_of_20m/s_across_the_frozen_surface_of_Lake_and_comes_to_rest_after_travelling_a_distance_of_50m.What is the force of friction between the stone and the ice?

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