Physics, 27.10.2021 19:10, drago12

Một ô tô khối lượng 3 tấn, sau khi khởi hành 10 s đi được quãng đường dài 25 m. Lực cản tác dụng vào ô tô luôn bằng 1000 N. Tìm:
a. Lực phát động của động cơ xe.
b. Vận tốc và quãng đường xe đi được sau 20 s.
c. Muốn xe sau khi khởi hành được 10 m đạt vận tốc 10 m/s thì cần thay đổi lực phát động như thế nào?

Answers: 3

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Một ô tô khối lượng 3 tấn, sau khi khởi hành 10 s đi được quãng đường dài 25 m. Lực cản tác dụng v...