Physics, 17.10.2021 17:10 glazevaida9

Một vật 2kg trượt trên sàn có hệ số ma sát 0,2 dưới tác dụng của lực không đổi có độ lớn 10N hợp với phương ngang góc 30o. Công của lực ma sát khi vật chuyển động được 5s có giá trị bao nhiêu, lấy g=10m/s2

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Một vật 2kg trượt trên sàn có hệ số ma sát 0,2 dưới tác dụng của lực không đổi có độ lớn 10N hợp với...

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