Suppose that two Scientists use different measurement systems in their work. What problems might arise if they shared their data
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let the friction coefficient on dry ice and wet ice is different and given as
= on dry ice
= on wet ice
now by friction force formula we can say
so the deceleration due to friction force is given as
now the deceleration due to friction force on both surface is given as
now the time to stop the two blocks can be calculated by kinematics
also for other block on wet ice we can say similarly
now the ratio of two time on two surfaces is given as
so this is the ratio of time on two surfaces