1.1. Given the vectors M = −10ax + 4ay − 8az and N = 8ax + 7ay − 2az , ﬁnd:
a) a unit vector in the direction of −M + 2N.
−M + 2N = 10ax − 4ay + 8az + 16ax + 14ay − 4az = (26, 10, 4)
(26, 10, 4)
= (0.92, 0.36, 0.14)
|(26, 10, 4)|
b) the magnitude of 5ax
TEXTO PARA A PRÓXIMA QUESTÃO
(Unesp 2001) IELTS
The International English Language Testing System
The IELTS is an increasingly valuable worldwide test to assess your proficiency in English. It tests all four skills - Reading, Writing, Listening, and Speaking. There are two options offered
Atividade 1 – Fill in the blanks with the Simple Present or the Present Continuous.
1. Dennis ______(drink, usually) coffee with his breakfast, but this morning he _____ (drink) tea instead.
2. Mike ______ (take) three classes this semester. Every morning he _____ (study) for two hours before he
Todos os Tempos Verbais em Inglês
Here you have all the verb tenses in English.Have fun!
Aqui estão os tempos verbais em Inglês. Divirta-se!
Obs:às vezes o tempo" continuous" é chamado de "Progressive". Usamos ambos os
nomes pois são corretos.
Nota:por sugestão de vários estudantes, tra
Respostas da atividade avaliativa 1
De língua inglesa II
A. Directions: Fill in the blanks with the Simple Past or the Present Perfect of the verbs in parentheses.
1. I knew ( Know) Tim when he was a child, but I saw ( see) him for many years. I know ( know) Larry, my best friend, for more
SIMPLE PRESENT x PRESENT CONTINUOUS (PROGRESSIVE)Fill in the spaces with the correct form of the verb in simple present tense or present progressive tense. |
Example: I (watch) watch a lot of movies. [Simple present tense]
Example: I (watch) am watching a movie now. [Present progressive tense]
Background and Foreground Modeling Using Nonparametric Kernel Density Estimation for Visual Surveillance
AHMED ELGAMMAL, RAMANI DURAISWAMI, MEMBER, IEEE, DAVID HARWOOD, AND LARRY S. DAVIS, FELLOW, IEEE Invited Paper
Automatic understanding of events happening at a site is the ultimate goal for m
CHAPTER 1 1.1. Given the vectors M = −10ax + 4ay − 8az and N = 8ax + 7ay − 2az , ﬁnd: a) a unit vector in the direction of −M + 2N. −M + 2N = 10ax − 4ay + 8az + 16ax + 14ay − 4az = (26, 10, 4) Thus a= b) the magnitude of 5ax + N − 3M: (5, 0, 0) + (8, 7, −2) − (−30, 12, −24)
GETTING STARTED IN THERMODYNAMICS: INTRODUCTORY CONCEPTS AND DEFINITIONS
The word thermodynamics stems from the Greek words therme (heat) and dynamis (force). Although various aspects of what is now known as thermodynamics have been of interest since ant
ISSN: 1984 – 8625 – n´mero 6 – IFSP - Sert˜ozinho u a EITHER DIGRAPHS OR PRE-TOPOLOGICAL SPACES?
J. CARLOS S. KIIHL1 , IRWEN VALLE GUADALUPE2
RESUMO: Neste artigo mostramos que os digrafos podem ser identiﬁcados, de um modo natural, com espa¸os pre-topol´gicos ﬁnitos. Mostramos c o