55. In a 400-m drag race, two cars start at the same time, and each
maintains a constant acceleration. The winner's acceleration is
10 4.25 m/s2, and the winner reaches the finish line 248 ms before
the loser does. By what distance is the loser behind when the
winner reaches the finish line?
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![請問這題a為何用DTFT再逆轉換算出來y[n]=0與解答用z轉換結果不同 - 3](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1632666/thumb_l_webp_10F4EC59-ED6C-455B-A2F3-E5B9F9F4A6BF.webp?Expires=1744648295&Signature=Y8ish0emz5vDKl0pCK9KC3rr9nuaiiISzyvYclCZNfgDRAdFeoY4Pa5540e9ZTHxzX2zxh467PcmKBtzghfKh4inhKbQiNToO2CxmihVBZqSB3ShDCKk9kZWews5SiZDSUhzPNsYR379lPM357O6BSwsJQyrM8DRYu75WQTWTqx1LQLIWi~BhawpXbPIfD4aHpkQFWu5HvwZLTC5B~yhJGqUVhvrukd1WcwSyFXH2Gc4ROm1L2l50aFIgUfWJPV4UMHpx6liGqvjKuQCnA2NXUIQDIXHy74zLcoEBCfzetKmoKR3GoP3z-CaQwftktxu3d68Nty9~PkEE2qq2-h0UQ__&Key-Pair-Id=K2W722D70GJS8W&Expires=1744648295&Signature=dL6XpUIzj8FxhUmbay72zgj3vS8lCcmUmfbGitV4znp7w2tNIXJgmwJu4vzUXu1OUBxUdOzUVPwgJ7SyOYT9QNLuhb8MMmW~tspralCL00cVktdzDEYSla2ls6g0nZvhPyz7jR-jovpivz5VMdwHw2DHRkW~2dodXdoOj4X-4BNTDXBT3wFmaVdwfw63dcC2ne13pm0srw9LdA-RUVq4SCdiWwathch7GjCUKs3XuSVS3tmJpNjsWf8J2pxzCTrucFklPhA5bjPEPzPnS5WOkt2VEFoV3Tj8a5w896JZlOLzCCtMaBgUiLuo77cBywbFs57FAz685YlBzMFnM9Jqpg__&Key-Pair-Id=K2W722D70GJS8W)
