A body of 20 kg mass is moving with 30 m/s. Its velocity increases to 60 m/s in 10 seconds.
Find its acceleration, change in momentum of body and external force required for this change.
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Das Dreieck ABC ist hier ein stumpfes Dreieck, da ∠A mehr als 90 Grad misst. Da ∠A 120 Grad beträgt, beträgt die Summe von ∠B und ∠C weniger als 90 Grad. Da ∠A = 120°, also ∠B + ∠C= 60
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