bằng việc xây dưng phương trình cân bằng lực khi phanh, hãy chứng minh rằng khi lực phanh đạt cực đại khi xe đang xuống dốc thì gia tốc chậm dần khi phanh giảm đi và quãng đường phanh tăng lên

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

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answer; ///the above statement is (false);

answer; they both highlight the power of the situation in determining behavior;