Lecture 3: Kinematics and DynamicsI/ Fill in the blank using words given in the brackets. Each word can be used more tha... - Hoc24

Tìm kiếm câu trả lời Tìm kiếm câu trả lời cho câu hỏi của bạn

Hãy tham gia nhóm Học sinh Hoc24OLM

Chọn lớp:

Chọn môn:

Gửi câu hỏi ẩn danh

Lãnh Hàn Thiên Minz

15 tháng 5 2021 lúc 20:01

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).

Lớp 9 Tiếng anh

Khách

Các câu hỏi tương tự

Dương Minh

14 tháng 6 2018 lúc 5:31

Choose the word or phrase among A, B, Cor D that best fits the blank space in the following passage.The changes that (1)……. in schools have changed the roles of teachers. In the past, teachers used to be the (2) ……..source of knowledge, the leader and educator of their students school life. Nowadays, teachers provide information and show their students how to (3)…….. it. Although they are still considered to be a kind of (4)……….. in the class, they can be thought of as facilitators in the learni...

Đọc tiếp

Choose the word or phrase among A, B, Cor D that best fits the blank space in the following passage.

The changes that (1)……. in schools have changed the roles of teachers. In the past, teachers used to be the (2) ……..source of knowledge, the leader and educator of their students' school life. Nowadays, teachers provide information and show their students how to (3)…….. it. Although they are still considered to be a kind of (4)……….. in the class, they can be thought of as facilitators in the learning (5)………..

Another difference between the past and present tasks of teachers is represented by the technical (6)……… they need to be able to use and handle effectively, such as computer, photocopier, PowerPoint, projectors, etc. Instead of teaching (7)……… chalk, they need tobe an information technology expert.

One of the biggest challenges for teachers is that their role in the school management has also changed. The school needs them as individuals, who can make decisions and cope with the stress of the (8)……….. world of schools. At the same time teachers need to be able to work in teams, and (9)……….. with colleagues and parents. A teacher has not only to instruct but also to (10)…….. the students with confidence and determination.

A. existed

B. took place

C. occurring

D. took first place

Lớp 9 Tiếng anh

Dương Minh

12 tháng 6 2019 lúc 8:57

Fill in the gap with words from the boxIn the USA, people (1)..................... Mothers day and Fathers day. Mothers day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an importan...

Đọc tiếp

Fill in the gap with words from the box

In the USA, people (1)..................... Mother's day and Father's day. Mother's day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an important part of Mother's day. Mothers are often given a plant for the occasion, particularly if they are elderly.

Father's day is celebrated (5)................the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother's day. Dad also receives greeting cards and gifts (6)............. his family and enjoys a day of leisure.

Question 6:

Lớp 9 Tiếng anh

Dương Minh

20 tháng 8 2018 lúc 2:22

Fill in the gap with words from the boxIn the USA, people (1)..................... Mothers day and Fathers day. Mothers day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an importan...

Đọc tiếp

Fill in the gap with words from the box

In the USA, people (1)..................... Mother's day and Father's day. Mother's day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an important part of Mother's day. Mothers are often given a plant for the occasion, particularly if they are elderly.

Father's day is celebrated (5)................the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother's day. Dad also receives greeting cards and gifts (6)............. his family and enjoys a day of leisure.

Question 5:

Lớp 9 Tiếng anh

Dương Minh

22 tháng 8 2017 lúc 12:23

Fill in the gap with words from the boxIn the USA, people (1)..................... Mothers day and Fathers day. Mothers day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an importan...

Đọc tiếp

Fill in the gap with words from the box

In the USA, people (1)..................... Mother's day and Father's day. Mother's day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an important part of Mother's day. Mothers are often given a plant for the occasion, particularly if they are elderly.

Father's day is celebrated (5)................the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother's day. Dad also receives greeting cards and gifts (6)............. his family and enjoys a day of leisure.

Question 3:

Lớp 9 Tiếng anh

Dương Minh

16 tháng 7 2019 lúc 5:13

Fill in the gap with words from the boxIn the USA, people (1)..................... Mothers day and Fathers day. Mothers day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an importan...

Đọc tiếp

Fill in the gap with words from the box

In the USA, people (1)..................... Mother's day and Father's day. Mother's day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an important part of Mother's day. Mothers are often given a plant for the occasion, particularly if they are elderly.

Father's day is celebrated (5)................the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother's day. Dad also receives greeting cards and gifts (6)............. his family and enjoys a day of leisure.

Question 4:

Lớp 9 Tiếng anh

Dương Minh

31 tháng 7 2017 lúc 14:37

Fill in the gap with words from the boxIn the USA, people (1)..................... Mothers day and Fathers day. Mothers day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an importan...

Đọc tiếp

Fill in the gap with words from the box

In the USA, people (1)..................... Mother's day and Father's day. Mother's day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an important part of Mother's day. Mothers are often given a plant for the occasion, particularly if they are elderly.

Father's day is celebrated (5)................the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother's day. Dad also receives greeting cards and gifts (6)............. his family and enjoys a day of leisure.

Question 1:

Lớp 9 Tiếng anh

Dương Minh

18 tháng 11 2018 lúc 10:09

Fill in the gap with words from the boxthroughout housework majority celebrate from greetingIn the USA, people (1)..................... Mothers day and Fathers day. Mothers day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their wo...

Đọc tiếp

Fill in the gap with words from the box

throughout housework majority celebrate from greeting

In the USA, people (1)..................... Mother's day and Father's day. Mother's day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an important part of Mother's day. Mothers are often given a plant for the occasion, particularly if they are elderly.

Father's day is celebrated (5)................the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother's day. Dad also receives greeting cards and gifts (6)............. his family and enjoys a day of leisure.

Lớp 9 Tiếng anh

Dương Minh

9 tháng 7 2018 lúc 9:18

Fill in the gap with words from the boxIn the USA, people (1)..................... Mothers day and Fathers day. Mothers day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an importan...

Đọc tiếp

Fill in the gap with words from the box

In the USA, people (1)..................... Mother's day and Father's day. Mother's day is celebrated on the second Sunday in May. On this occasion, mother usually receives (2).................. cards and gifts from her husband and children. The best gifts of all American Moms are a day of leisure. The (3).................. of American mothers have outside jobs as well as (4)...................., so their working days are often very hard. Flower is an important part of Mother's day. Mothers are often given a plant for the occasion, particularly if they are elderly.

Father's day is celebrated (5)................the USA and Canada on the third Sunday in June. The holiday customs are similar to Mother's day. Dad also receives greeting cards and gifts (6)............. his family and enjoys a day of leisure.

Question 2:

Lớp 9 Tiếng anh

Dương Minh

15 tháng 3 2019 lúc 17:30

Use the words given to fill in the blanks. There is one extra word that you do not need to use.down – air – quickly – about – save - dirty – important – pollute – growWe all are destroying the Earth. The seas and rivers are too (1).......................... to swim in. There is so much smoke in the (2) ................................ that it is unhealthy to live in many of the worlds cities. In one well-known city, for example, poisonous gases from car (3) ............................. the air...

Đọc tiếp

Use the words given to fill in the blanks. There is one extra word that you do not need to use.

down – air – quickly – about – save - dirty – important – pollute – grow

We all are destroying the Earth. The seas and rivers are too (1).......................... to swim in. There is so much smoke in the (2) ................................ that it is unhealthy to live in many of the world's cities. In one well-known city, for example, poisonous gases from car (3) ............................. the air so much that policemen have to wear oxygen masks. We have cut (4)......................... so many trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa cannot (5) ......................... enough to eat. In certain countries in Asia there is so little rice. Moreover, we do not take enough care of the countryside. Wild animals are (6) ............................. disappearing. For instance, tigers are rare in India now. Because we have killed too many for them to survive. However, it is not so simple to talk (7) .............................. the problem. We must act now before it is too late to do anything about it. Join us now. (8) ..................the Earth.

Lớp 9 Tiếng anh

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)