write the four vectors of space time,wave vector,momentum and electric charge.what's the kinetic energy of a moving particle?Show that in slow speed regime it returns to the classical result.求翻译并解答

write down the four different verb from write an articletitle:four seasons Please write four numbers _____15______50 翻译：Choose four words from the puzzle.Write a sentence using each word. the girl started to write in English when she was four years old(同义句)the girl ____in english ____she was four years old 我想在求助一道题 Mozart began to write music ——. A at age of four B on the age of four C at the a Write the write the write four sentences using one of the words from activity 1b in each sentence这句话的意思, Choose four words from the puzzle.Write a sentence using each word.是什么意思? 急好的加分 首字母填空 The girl is only four years old,but she can write from one to a h_____. write a program to read a four digit integer and print the sum of its digits.Hint :Use / and % operators. write four sentences using the negative simple past continuous（was/werenot+verb-ing)to talk about sports 写4句话~write four sentences using the simple past continuous（was/were+verb-ing)to talk about sports 英语翻译underline all the superlatives in the passage,Then write sentences using at least four of them别用翻译器，明显不通顺 Underline all the superlatives in the passage.Then write sentences using at least four of them最后在造几个句子 the four seasons是什么意思? the four seasons是什么意思