describe the difference between potential energy and kinetic energy(use examples)
题目
describe the difference between potential energy and kinetic energy(use examples)
答案
potential energy: the object have the potential or ability to do work. E.g: gravitaional potential energy: a heavy brick held high in the air has potential energy has the ability to do work, for if it...
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点
- 成昆铁路全长1100千米,其中桥梁和隧道占全长的11分之2.桥梁和隧道长多少千米?
- (1)梯形的两底长分别为4CM,6CM,求中位线的长
- Lonely and i like to look up the sky, trying not to leave my tears 什么意思
- 用matlab如何画分段函数,y=sin(x),当y0.8时 y=0.8
- 作文.那一天我与你相遇700字 要三件事
- Learning about first aid is the best way to save lives.
- 4.We have enough money _____ the trip.
- 假与马者,非利足也,而绝江河中的利是什么活用
- 钟表上有12个数字,在前面添一些负号,可以使他们的和等于0,如-1+2+(-3)+4+(-5)+.+(-12)=0
- 求经过点A(3.5),B(a.2)的直线的斜率和倾斜角