The total energy of the spring(弹簧) at all times equals the 1/2 ks2 it was originally.
举一反三
- When no passenger gets off from the stopover airport, the number of flight attendent retained on the plane should be at least（）of the total number. （ ） A: two times B: 1/4 C: all D: 1/2
- The firm maximizes economic profit by finding the rate of output at which total revenue ________ total cost ________ . A: equals; all else constant B: plus; equals C: minus; equals zero D: exceeds; by the greatest amount.
- The total area of all rectangles in a histogram equals to () A: 0.50 B: 0.75 C: 1.00 D: 0.95 E: 2.58
- 已知T（1）=9，T（2）=8，T（0）=5，Total=T（1）+T（2）+T（0），则Total=（）。
- Where is Times Square?In the (1)________ of (2)________.