A 2000 kg car is traveling at 10 m/s, and then it slows to 5 m/s. How much work is done on the car by the brakes and friction?

a

10,000 J

b

25,000 J

c

75,000 J

d

100,000 J

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Masa samochodu wynosi 2000 kg. Siła parcia wywierana przez cztery koła na powierzchnię szosy wynosi: A. 2000 N B. 20000 N C. 500 N D. 5000 N szybko plis