Hopefully all of that makes sense, just comment if it doesn't. For what the question asks, the mass is irrelevant, as it cancels out, so I just left it as "m" for simplicity. "g" refers to the acceleration of freefall, I used 9.81, but you might have to do the final calculations again, depending on the level of accuracy you need. Hope this helps.
The boy slides down the incline with an acceleration of approximately 2.44 m/s². At the bottom of the slide, his speed will be around 4.94 m/s. These calculations are based on the forces acting on him, including gravity and friction.
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kucing saya melahirkan dan aku melihat anaknya setiap hari menyusui dan semakin besar tumbuh karena susu kaya akan nutrisi, pada umurnya 1 minggu sepertinya ada yang sudah membuka matanya dan mulai bisa berjalan sedikit demi sedikit