Two Judo athletes running toward each other have a combined linear momentum of 585 kg.m/s before impact. What is their combined linear momentum immediately after impact? NOTE: Correct SI unit symbols must be provided and provide answer to three (3) significant figures.数值题
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Question

Two Judo athletes running toward each other have a combined linear momentum of 585 kg.m/s before impact. What is their combined linear momentum immediately after impact? NOTE: Correct SI unit symbols must be provided and provide answer to three (3) significant figures.数值题

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BlackTom AI · Accepted Answer

Consider the scenario as an isolated system where no external horizontal forces act during the collision. Momentum is conserved in such a system, meaning the total linear momentum before impact must equal the total linear momentum after impact.

Given: the combined linear momentum before impact is 585 kg·m/s. Because momentum is conserved, the total momentum immediately after impact remains the same as before: 585 kg·m/s.

The problem also requests proper SI units and three significant figures. The SI unit for momentum is kilogram meter per second (kg·m/s). The provided value, 585, already has three significant figures, so the correctly formatted answer is 585 kg·m/s.

Note: This conclusion holds regardless of the specifics of the collision (elastic, inelastic, or perfectly inelastic) as long as external impulses are negligible and the system is isolated during the impact.

Two Judo athletes running toward each other have a combined linear momentum of 585 kg.m/s before impact. What is their combined linear momentum immediately after impact? NOTE: Correct SI unit symbols must be provided and provide answer to three (3) significant figures.数值题

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