Question

you sit on a sled on the ice holding a 5 kg bowling ball. the combined mass of yourself and the sled is 75 kg. you throw the bowling ball to the right at 30 m/s. at what speed will you recoil in the sled?

Answer 1

With 32.14 m/s  speed will we recoil in the sled.

initial momentum= final momentum

m1v1=m2v2

75×30=70×v2

v2=32.14 m/s

A scalar variable called speed can be used to describe how quickly an item moves or how much its location changes over time. It is often shortened to "s." The average speed of an object over a certain period is calculated by dividing its total distance traveled over that time by its total duration.

Time divided by distance is the speed-related unit of measurement. The meter per second (m/s) is the SI unit of speed, although the kilometer per hour (kph) is the unit of speed most commonly used in daily life.

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