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Lecture 3: Kinematics and DynamicsI/ Fill in the blank using words given in the brackets. Each word can be used more than once. Kinematics1/ ..(1).....................are quantities that have magnitude only.2/ Vectors are quantities that have ..(2)......................... as well as ..(3)................................3/ ....(4).......................... vectors are vectors that lie in the same plane.4/ ..(5).............. is the length of the path taken while ..(6).....................is the...
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Lecture 3: Kinematics and Dynamics
I/ Fill in the blank using words given in the brackets. Each word can be used more than once.
 Kinematics
1/ ..(1).....................are quantities that have magnitude only.
2/ Vectors are quantities that have ..(2)......................... as well as ..(3)................................
3/ ....(4).......................... vectors are vectors that lie in the same plane.
4/ ..(5).............. is the length of the path taken while ..(6).....................is the straight-line distance and
the direction from a fixed point. ...(5).. ........................is a scalar quantity and ..(6)..............is a vector
quantity.
5/ …(7)……... is the …...(8)............… travelled per unit time. Its SI unit is meter per second (ms-1).
6/ ...(9)..............................… is the rate of change of displacement.
8/ ....(10).........................is the rate of the change of velocity. Its magnitude is given by the ...
(11)...............or ..(12)............................ of a (v-t) graph.
9/ Consider a body moving with uniform or ...(13)................................. acceleration in a straight line.
10/ ...(14).................… refers to motion under the influence of a uniform gravitational field without air
resistance.
11/ ..(15).........................… refers to the resistive force acting on a body moving through air. Its.
(16).................. is always opposite to the direction of motion. Its . (17)... .......depends on the speed and
cross-section area of the body, and the density of the air.
12/ The path or the ...(18)............................ of a body, due to uniform velocity in one direction and a
uniform acceleration in a perpendicular direction, is a curve called ...(19).......................…
13/………(20)……….: A situation in which the forces acting upon an object are in balance.
(scalar, distance, acceleration, gradient, vector, trajectory, co-planar, velocity, constant, slope,
magnitude, parabola, displacement, resistance, speed, direction, free-falling).

0
18 tháng 8 2023

1. pollution
2. dangerous
3. air pollution
4. coal
5. other sources

18 tháng 8 2023

1. pollution
2. dangerous
3. air pollution
4. coal
5. other sources

17 tháng 1 2021

Fill in each of the blanks using the words given in the box.

and, some, have, who, types

Vitamins are very important for the body. There are more than thirtem (1)______types_____ of vitamins. They help the body take (2)______some_____ energy from foods, help the body grow, (3)___and____ muscles work correctly. Vitamin A is necessary for our eyes. People (4) ____who____ don't have enough vitamin A often (5) _____have_____ night blindness; that is, they can't see well when it is dark. Food such as liver, eggs, milk, and cheese have a lot of vitamin A.

17 tháng 1 2021
Complete the second sentence using the word given so that it has a similar meaning to the first sentence. Write no more than five words in each gap.1. I have visited the Stone Forest once before. (second) This is the …………………………………………………the Stone Forest.2. As the storm started, we went towards the old house. (direction)As the storm started, we went …………………………………………………the old house.3. Dzung is very fond of traveling and has been everywhere. (keen)Dzung is …………………………………………………and has been...
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Complete the second sentence using the word given so that it has a similar meaning to the first sentence. Write no more than five words in each gap.
1. I have visited the Stone Forest once before. (second) 
This is the …………………………………………………the Stone Forest.
2. As the storm started, we went towards the old house. (direction)
As the storm started, we went …………………………………………………the old house.
3. Dzung is very fond of traveling and has been everywhere. (keen)
Dzung is …………………………………………………and has been everywhere.
4. We drove away as fast as we could, ready to begin our adventure. (full)
We drove away …………………………………………………, ready to begin our adventure.
5. I find it hard to go at the same speed as my brother on walking holidays. (up) 
I find it hard to …………………………………………………my brother on walking holidays.
6. The information I got from her was very confusing and I didn’t know what was going on. (gave)
She …………………………………………………and I didn’t know what was going on.

2
8 tháng 2 2022

1. This is the second time I have visited the Stone Forest.

2. As the storm started, we went in the direction of the old house.

3. Dzung is very keen on traveling and has been everywhere.

4. We drove away at full speed, ready to begin our adventure.

5. I find it hard to keep up with my brother on walking holidays.

6. She gave me very confusing information and I didn’t know what was going on.

8 tháng 2 2022

cảm ơn ạ

Choose one suitable word in the box to fill in each blank, there are more words than needed.take                  benefits      disadvantages         information        effective       share         applications    homework          Using electronic devices in learning brings us many (1) …..……….. First of all, it is an (2) …………. way to learn English. You can easily (3) ….......…. information about the lessons through your PC, laptop and smartphone to your friends just in a few minutes. You also...
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Choose one suitable word in the box to fill in each blank, there are more words than needed.

take                  benefits      disadvantages         information        effective       share         applications    homework     

     Using electronic devices in learning brings us many (1) …..……….. First of all, it is an (2) …………. way to learn English. You can easily (3) ….......…. information about the lessons through your PC, laptop and smartphone to your friends just in a few minutes. You also submit your (4) …............………to your teacher in this way too. Moreover, on the Internet, there are thousands of useful (5) …...............…… and software which are updated every day to serve your learning purposes. Besides that, using your tablets or smartphones in learning helps you lighten your backpack.

1
3 tháng 3 2022

1. benefits

2. effective

3. share

4. homework

5. information

18 tháng 4 2023

1.into

2.since

3.in

4.access

5.that

6.scenery

18 tháng 4 2023

Có ai biết từ "RESS" nghĩa là gì không?

 

19 tháng 8 2023

1. moons 

2. rocky surfaces

3. objects

4. huge

5. rings

QT
Quoc Tran Anh Le
Giáo viên
16 tháng 10 2023

1. Many of the planets in our solar system have moons.

(Nhiều hành tinh trong hệ mặt trời của chúng ta có mặt trăng.)

2. The four inner planets are quite small and have rocky surface.

(4 hành tinh ở trong nhỏ hơn và có bề mặt đá gồ ghề.)

3. The asteroid belt has millions of rocky objects.

(Vành đai của tiểu hành tinh có hàng triệu vật thể bằng đá.)

4. The outer planets are huge and mostly made up of gas.

(Những hành tinh bên ngoài lớn và chủ yêu được tạo thành từ khí.) 

5. These outer planets all have thick layers of clouds and rings around them.

(Những hành tinh bên ngoài này có những lớp mây dày và những vành đai xung quanh chúng.)

5 tháng 9 2023

1.all

2.some

3.a few

4.much

5.any

5 tháng 9 2023

1. All
2. Some
3. A few
4. Much
5. Any

I. Read the passage below and fill each blank with ONE suitable word. (1.0 pt) Speech is one of the most important (1) _______ of communicating. It consists of far more than just making noises. To talk and also to be (2) ____________ by other people, we have to speak a language, that is, we have to use combinations of (3) ________ that everyone agrees stand for particular object or idea. Communication would be impossible if everyone made up their own language. (4) ________ a language properly...
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I. Read the passage below and fill each blank with ONE suitable word. (1.0 pt)

Speech is one of the most important (1) _______ of communicating. It consists of far more than just making noises. To talk and also to be (2) ____________ by other people, we have to speak a language, that is, we have to use combinations of (3) ________ that everyone agrees stand for particular object or idea. Communication would be impossible if everyone made up their own language.

(4) ________ a language properly is very important. The basic (5) __________ of English is not very large, and only about 2000 words are needed to (6) ________ it quite well. But the more words you know, the more ideas you can (7) ________ and the more precise you can be about their exact meaning.

Words are the (8) ____________ thing we use in communicating what we want to say. The (9) _________ we say the words is also very important. Our tone of voice can express many emotions and (10) ________ whether we are pleased or angry, for instance.

8
21 tháng 8 2018

Speech is one of the most important (1) __ways _____ of communicating. It consists of far more than just making noises. To talk and also to be (2) _______understood_____ by other people, we have to speak a language, that is, we have to use combinations of (3) _____sounds___ that everyone agrees stand for particular object or idea. Communication would be impossible if everyone made up their own language.

(4) ___learning_____ a language properly is very important. The basic (5) ____vocabulary______ of English is not very large, and only about 2000 words are needed to (6) ___speak_____ it quite well. But the more words you know, the more ideas you can (7) ____express____ and the more precise you can be about their exact meaning.

Words are the (8) ______main______ thing we use in communicating what we want to say. The (9) ____way_____ we say the words is also very important. Our tone of voice can express many emotions and (10) ____show____ whether we are pleased or angry, for instance.

21 tháng 8 2018

Speech is one of the most important (1) ___way____ of communicating. It consists of far more than just making noises. To talk and also to be (2) ___understood_________ by other people, we have to speak a language, that is, we have to use combinations of (3) _____sounds___ that everyone agrees stand for particular object or idea. Communication would be impossible if everyone made up their own language.

(4) ___To learn _____ a language properly is very important. The basic (5) _____vocabulary_____ of English is not very large, and only about 2000 words are needed to (6) __speak ______ it quite well. But the more words you know, the more ideas you can (7) ____express____ and the more precise you can be about their exact meaning.

Words are the (8) ________main ____ thing we use in communicating what we want to say. The (9) _____way ____ we say the words is also very important. Our tone of voice can express many emotions and (10) ___slow____ whether we are pleased or angry, for

  Part1: Complete each blank with ONE given word. There are more words than neededchopTornadoestoforbuiltVolcanoescauselose1. The temple of literature was _____ in 1070 by emperor ly nhan tong2.Thanks _____ the Internet, I can communicate with my friends more easily3. Don't ______ the cucumber into chunks. Slice it thinly4. If she eats less fast food. she may _____ weight5. _____ can suck up anything that is in their way6. Solar energy does not ______ pollution  Part 2: Match the beginnings to...
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  Part1: Complete each blank with ONE given word. There are more words than needed

chopTornadoestofor
builtVolcanoescauselose

1. The temple of literature was _____ in 1070 by emperor ly nhan tong

2.Thanks _____ the Internet, I can communicate with my friends more easily

3. Don't ______ the cucumber into chunks. Slice it thinly

4. If she eats less fast food. she may _____ weight

5. _____ can suck up anything that is in their way

6. Solar energy does not ______ pollution

  Part 2: Match the beginnings to the correct endings

               Beginnings                  Endings
1. Vietnamese people are very friendlyA. so they look modern and very fashionable.
2. Fashion designers have printed lintes of poetry on the ao dai,B. I would spend more time improving my pronuncition.
3. English has borrowed many wordsC. generous man who is loved not only by my family but also by all his friends
4. If I were you,D. we will have no fresh water to use.
5. If we pollute the water,F. which come from other languages.
6. My father is a considerate andG. and Ha Noi is a very interesting city

 

4
30 tháng 4 2021

part 1:

1-built           2-for            3-chop           4- lose                  5-Tornadoes

6-cause

30 tháng 4 2021

1. The temple of literature was __built___ in 1070 by emperor ly nhan tong

2.Thanks ___to__ the Internet, I can communicate with my friends more easily

3. Don't __chop____ the cucumber into chunks. Slice it thinly

4. If she eats less fast food. she may __losse___ weight

5. ___Tornadoes__ can suck up anything that is in their way

6. Solar energy does not ___cause___ pollution