Two average forces. A steady stream of.0.250 kg snowballs is shot perpendicularly into a wall at a speed of 4.00 m/s. Each ball sticks to the wall. Figure gives the magnitude F of the force on the wall as a function of time t for two of the snowball impacts. Impacts occur with a repetition time interval ?tr = 50.0 ms, last a duration time interval ?td = 10 ms, and produce isosceles triangles on the graph, with each impact reaching a force maximum Fmax = 200 N. During each impact, what are the magnitudes of(a) The impulse and(b) The average force on the wall?(c) During a time interval of many impacts, what is the magnitude of the average force on the wall?

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Λ Fmax Δ) Δ Δ.