1.An elevator under repair is descending at constant speed.At the moment it passes the mechanic,he drops his wrench.The wrench hits the elevator after 1,4second.What is the speed of the elevator?What is the speed of the wrench at the moment of hittin
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1.An elevator under repair is descending at constant speed.At the moment it passes the mechanic,he drops his wrench.The wrench hits the elevator after 1,4second.What is the speed of the elevator?What is the speed of the wrench at the moment of hittin
两个英文物理题1.An elevator under repair is descending at constant speed.At the moment it passes the mechanic,he drops his wrench.The wrench hits the elevator after 1,4second.What is the speed of the elevator?What is the speed of the wrench at
英语翻译1、 A young man gets on an elevator.The elevator goes up.The elevator stops.A young woman gets on the elevator.The elevator goes up.Then it stops.It doesn't go up.It doesn't go down.It is stuck between floors.The elevator ia stuck for 19
英语翻译A young man gets on an elevator.The elevator goes up.The elevator stops.A young woman gets on the elevator.The elevator goes up.Then it stops.It doesn'tgo up.It doesnn'tgo down.It is stuck between floors.The elevator is stuck for 19 hours
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a young man gets on an elevator.完形填空 a young man gets on an elevator.The elevator goes().The elevatorstops.A young women ()on the elevator.The elevator goes up.Then it().It doesn't go up.It doesn't go().It is stuck()floors
英语翻译Suppose you live in the 6th floor of a building,under your room lived an old man,one day the old man saw a young lady click the button of 15 in the elevator,and a young man click the number of button 2 times as his. Question:After the yo
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