**A Car With A Mass Of 1500 Kg** – A car ‘A’ of mass ‘1500 kg’, moving at ’25m//s’ collides with another car ‘B’ of mass ‘1000 kg’ moving at ’15m//s’ in the same direction. After the collision, the speed of car `A` will be `20m//s`. Calculate the speed of car “B” after the collision.

Solution: Here is the mass of car A, `m_(1)=1500kg`, the initial speed of car A, `u_(1)= 25 m//s`

## A Car With A Mass Of 1500 Kg

mass of car B, `m_(2)=1000kg`, initial speed of car B, `u_(2)=15m//s`

#### Solved: A Racecar Has A Mass Of 1500 Kg. What Is Its Ke In Joules If It Has A Speed Of 110 Km/hr?

After collision speed of car A, `v_(1)= 20m//s`, speed of car B, `v_(2)=?`

As total velocity after collision = total velocity before collision,

`m_(1)v_(1)+m_(2)v_(2)= m_(1)u_(1)+m_(2)u_(2)` or `1500xx20+1000xxv_(2)=1500xx25+1000xx15`

or `30000+1000 v_(2)= 37500+15000=52500`

#### A Car ‘a’ Of Mass 1500 Kg, Travelling At 25 Ms 1,collides With Another Car ‘b’ Of Mass 1000 Kg

`1000 v_(2)= 52500-30000=22500` or `v_(2)= (22500)/(1000)= 22.5m//s`

Step by step expert solutions to help you clear your doubts and get great marks in exams.

A car A of mass 1500 kg, moving at a speed of 25 m/s, collides with another car B of mass 1000 kg, moving at a speed of 15 m/s in the same direction. After the collision, the speed of car A will be 20 m/s. Calculate the speed of car B after the collision.

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