Question

In: Physics

Cart 1 amd 2 are now moving toward each other when they collide and stick together....

Cart 1 amd 2 are now moving toward each other when they collide and stick together. Cart 1 has a mass of 500g (.5kg) and is travelling at a speed of 0.30m/s to the right. Cart 2 has a mass of 350g (.35kg) and is travelling at a speed of 0.55m/s to the left.

A) What is their velocity (speed and direction) after the collision?

B) What % of the initial KE is lost in the collision?

Please show all work, thank you!

Solutions

Expert Solution

Given mass of cart 1,m₁ =0.5kg

initial speed of cart 1,u₁ =0.3m/s

mass of cart 1,m₂ =0.35kg

initial speed of cart 2 ,u₂ =-0.55m/s

-------------------------------

Momentum is conserved

Mometum before collision =momentum after collision

ANSWER: Velocity after collision =0.05m/s towards left

=====================

(B)Percentage of Initial KE lost =

=================

Percentage of Initial KE lost =

Percentage of Initial KE lost = =98.59159

ANSWER: 98.59%

=============

genius_generous answered 1 year ago

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