Which materials, including polystyrenes, can be recycled? polymers thermoplastics ceramics composites
2 answers:
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Answer:
Explanation:
As per work energy theorem we know that work done by all the forces must be equal to change in kinetic energy of the car
So here when brakes are applied then work is done by the brakes which is equal to change in kinetic energy of the car
so we know that work done by the brakes is given as
now we will have