Nadiya12345 Nadiya12345

23-02-2021
Physics

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6. A car accelerates from rest to 5m/s in 20 s. The force from the engine is 2000N. The force of air resistance and friction acting is 1000N. What is the cars mass?

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Respuesta :

muskan1913yadav muskan1913yadav

23-02-2021

Answer:

net force= 2000-1000=1000

a=v-u/t=5/20=1/4

m=?

m=f/a

=1000÷1/4=4000kg

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