Question: Crates A and B weigh 100 lb and 50 lb, respectively. If they start from rest, determine their speed when t = 5s . Also,

Crates A and B weigh 100 lb and 50 lb, respectively. If they start from rest, determine their speed when t = 5s . Also, find the force exerted by crate A on crate B during the motion. The coefficient of kinetic friction between the crates and the ground is μ_k = 0.25. P = 50 lb A B

P = 50 lb A B

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