contestada

Which requires more work, carrying a 420 N knapsack up a 200 m hill or carrying a 210 knapsack up a 400 m hill? Why?

Respuesta :

jankiiii

Answer:

b

Explanation:

because the weight/work increases bcz of the time period

Answer: neither, the work is equal

Explanation:

work = F•d

420N • 200m = 84000 J

210N • 400m = 84000 J

therefore work is equal

Otras preguntas