26. A4kg object is moving 2m/s to the right. A 6 N force pushes to the left for 3 seconds. A. Calculate Poefore. B. Calculate the impulse. C. What is Delta p for this object? D. What is its final momentum (p_(f))

Question

26. A4kg object is moving 2m/s to the right. A 6 N force pushes to the left for 3 seconds. A. Calculate Poefore. B. Calculate the impulse. C. What is Delta p for this object? D. What is its final momentum (p_(f))

Answer 1

. To calculate the initial momentum (P_initial) of the object, we can use the formula:P_initial = m * vwhere m is the mass of the object and v is its velocity.Given that the mass of the object is 4 kg and its velocity is 2 m/s, we can substitute these values into the formula:P_initial = 4 kg * 2 m/s = 8 kg·m/sTherefore, the initial momentum of the object is 8 kg·m/s.B. To calculate the impulse, we need to use the formula:Impulse = Force * TimeGiven that the force applied is 6 N to the left and the time duration is 3 seconds, we can substitute these values into the formula:Impulse = 6 N * 3 s = 18 N·sTherefore, the impulse experienced by the object is 18 N·s.C. The change in momentum (Δp) can be calculated using the formula:Δp = ImpulseFrom part B, we know that the impulse experienced by the object is 18 N·s. Therefore, the change in momentum is also 18 N·s.D. To calculate the final momentum (P_final) of the object, we can use the formula:P_final = P_initial + ΔpSubstituting the values from parts A and C, we get:P_final = 8 kg·m/s + 18 N·s = 26 kg·m/sTherefore, the final momentum of the object is 26 kg·m/s.

Problemas

26. A4kg object is moving 2m/s to the right. A 6 N force pushes to the left for 3 seconds. A. Calculate Poefore. B. Calculate the impulse. C. What is Delta p for this object? D. What is its final momentum (p_(f))

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