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tester [92]
3 years ago
14

Một ô tô khối lượng một tấn chuyển động trên một đường nằm ngang. Hệ số ma sát giữa bánh ô tô và mặt đường là 0,07. Gia tốc trọn

g trường g=9,8m/s2
a) vẽ và xác định tên các lực tác động lên vật. Viết phương trình chuyển động của vật.
b) nếu ô tô chuyển động đều, xuống dốc có độ dốc 5%. Tính lực kéo của ô tô.
c) nếu ô tô chuyển động đều. Lên dốc có độ dốc 5%. Tính lực kéo của động cơ ô tô
Physics
2 answers:
Ipatiy [6.2K]3 years ago
6 0
B

That's my ans thanks me laterr
denis23 [38]3 years ago
5 0

Answer: B

Explanation: because B

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