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教學與學術/科學/物理

운동과 시간 챕터 13 7학년 과학

Name: 운동과 시간 챕터 13 7학년 과학
Availability: InStock
Rating: 4.8 (18 reviews)

所有級別 • 5 講座 • 終身訪問

Prabh Kirpa Classes

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英语

99 種語言字幕

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總內容

你將學到什麼

Q1. 학교 체육대회에서 한 소년은 2m/s의 속도로 달렸고 200m 경주에서 1등을 했습니다. 그는 초당 얼마나 멀리 갔을까요?

Q.3. 단순 진자가 20회 진동을 완료하는 데 32초가 걸립니다. 진자의 주기는 얼마입니까?

Q. 4. 두 역 사이의 거리는 240km입니다. 기차가 이 거리를 커버하는 데 4시간이 걸립니다. 기차의 속도를 계산하세요.

Q. 5 속도의 기본 단위는: (i) km/min (ii) m/min (iii) km/h (iv) m/s

課程內容

5 部分 • 5 講座 • 00:37:54 總長度

Introduction

04:21

Q1. In a school athletic meet, a boy ran at a speed of 2m/s and stood first in a 200m race. How much distance is covered by him per second? Q2. Rahul and Rijul are going on the excursion. They both have to go to the same place and cover a certain distance but in different cars. If Rahul covers a certain distance in one hour and Rijul covers the same distance in two hours. Who travels with a higher speed? Q.3. A simple pendulum takes 32s to complete 20 oscillations. What is the time period of the pendulum? Q. 4. The distance between the two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train. Q. 5 The basic unit of speed is: (i) km/min (ii) m/min (iii) km/h (iv) m/s Q6. Define the following terms: A) Distance B) Time: C) Speed: D) Uniform Motion: E) Average Speed Q. 7. Change 20 m/s to km/h Q.8. Change 54km/h to m/s Q.9. An electric train is moving at a speed of 30m/s. How much distance will it travel in the 30s? Q.10. A bus takes 30 minutes to travel a distance of 25 km. Calculate the speed of the bus in km/h? Q.11. A train is traveling at a speed of 110km/h. How long will it take to complete a journey of 605 km, without any stoppage in between? Q.12. The time taken for 20 oscillations is 40 seconds. Calculate the time period of a simple pendulum. Q.13. Plot the graph from the following data: Also answer the following question: What is the type of motion shown in the graph? Q.14 Vani takes 2h to reach Jalandhar from Amritsar by car. If speed of her car is 40km/h., calculate the distance between Jalandhar and Amritsar. Q.15. You are going to a hill station by car. You are very excited to reach there early and want to cover more distance quickly. You are asking your dad about the distance covered so far again and again. Your father told you about a device in a car which can measure the distance covered by car. Can you name that device? Q.16. Show the shape of the distance-time graph for the motion in the following cases: (a) A car moving with a constant speed (b) A car parked on a side road Q.17. Which of the following relations is correct? (a) Speed = Distance x Time (b) Speed = Distance/Time (c) Speed= Time/Distance (d) Speed=1/Distance x Time

Which of the following distance-time graphs shows a truck moving with speed which is not constant.

Q1. In a school athletic meet, a boy ran at a speed 2m/s and stood first in 200m

08:46

Q1. In a school athletic meet, a boy ran at a speed of 2m/s and stood first in a 200m race. How much distance is covered by him per second?

Q2. Rahul and Rijul are going on the excursion. They both have to go to the same place and cover a certain distance but in different cars. If Rahul covers a certain distance in one hour and Rijul covers the same distance in two hours. Who travels with a higher speed?

Q.3. A simple pendulum takes 32s to complete 20 oscillations. What is the time period of the pendulum?

Q. 4. The distance between the two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.

Q. 5 The basic unit of speed is:(i) km/min (ii) m/min(iii) km/h (iv) m/s

Q6. Define the following terms:-A) Distance B) Time : C) Speed:

08:42

Q6. Define the following terms:-

A) Distance

B) Time :

C) Speed:

D) Uniform Motion:

E) Average Speed

Q. 7. Change 20 m/s to km/h

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Q1. 학교 체육대회에서 한 소년은 2m/s의 속도로 달렸고 200m 경주에서 1등을 했습니다. 그는 초당 얼마나 멀리 갔을까요?

Q2. 라훌과 리줄은 같은 장소로 여행을 갑니다. 그들은 같은 거리를 다른 차량으로 같은 장소로 가야 합니다. 라훌은 1시간에 특정 거리를 커버하고 리줄은 2시간에 같은 거리를 커버합니다. 누가 더 빠른 속도로 여행합니까?

Q.3. 단순 진자가 20회 진동을 완료하는 데 32초가 걸립니다. 진자의 주기는 얼마입니까?

Q. 4. 두 역 사이의 거리는 240km입니다. 기차가 이 거리를 커버하는 데 4시간이 걸립니다. 기차의 속도를 계산하세요.

Q. 5 속도의 기본 단위는:

(i) km/min (ii) m/min

(iii) km/h (iv) m/s

Q6. 다음 용어를 정의하세요:

A) 거리

B) 시간:

C) 속도:

D) 균일 운동:

E) 평균 속도

Q. 7. 20 m/s를 km/h로 변환하세요

Q.8. 54km/h를 m/s로 변환하세요

Q.9. 전기 기차가 30m/s의 속도로 움직이고 있습니다. 30초 동안 얼마나 멀리 이동할까요?

Q.10. 버스가 25km의 거리를 30분 동안 여행합니다. 버스의 속도를 km/h로 계산하세요.

Q.11. 기차가 110km/h의 속도로 여행하고 있습니다. 중간에 정차 없이 605 km의 여행을 완료하는 데 얼마나 걸릴까요?

Q.12. 20회 진동에 걸리는 시간은 40초입니다. 단순 진자의 주기를 계산하세요.

Q.13. 다음 데이터에서 그래프를 그리세요:

또한 다음 질문에 답하세요:

그래프에 표시된 운동 유형은 무엇입니까?

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