Gravitational energy change in a weight falling求翻译

相关推荐

• A 0.60-kg basketball is dropped out of a window that is 6.1m above the ground.The ball is caught by person whose hands are 1.5m above the ground.A)How much work is done on the ball by its weight?What is the gravitational potential energy of the basketball,relative to the ground,when it is B)Released andC)Caught?D)How is the change (Final PE – initial PE) in the ball’s gravitational potential energy related to the work done by its weight?在work and ener
• 求英文翻译,An object with a weight of 20N is placed on an incline.The ratio of the length to the height of the incline is 5:3.Resolve the gravitational force to find the component parallel to the incline that makes the object slip down and the component perpendicular to the incline which makes the block press against the incline.
• 英语翻译There are only two methods by which energy can be transpoeted betweeb two points.The first method involves the transfer of matter.For example ,falling weight can transfer energy to a stake ,driving it into the ground .Electrons moving through a wire carry energy from a generating station to your house.
• 求高手英语翻译,不要翻译软件复制过来的哦!谢谢～1、When these Americans do well, America doeswell. That's the change we need right now. It's time to finish what we'vestarted -- to educate our kids, train our workers, create new jobs, new energy,and new opportunity -- to make sure that no matter who you are, where you comefrom, or how you started out, this is the country where you can make it if youtry.2、Young language learners are those who are learning aforeign language or s
• Gravitational energy change in a weight falling求翻译
• Does your uncle have the same hobby?改成疑问句或陈述句
• 有一堆糖果，其中奶糖占45%，再放入16块水果糖后，奶糖就只占25%，原来这堆糖果中奶糖有（　　）块. A.6 B.7 C.8 D.9