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    • Posted by Deependra Singh 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Utpal Kant 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Miss Angel Barsha 7 years, 4 months ago

    It states that the force of gravitational between 2 objects is inversely proportional to the square of distance between them

    0Thank You

    Nikita Goswami 7 years, 4 months ago

    F is directly proportional to 1/r square

    1Thank You

    Bidyadhar Sahoo 7 years, 4 months ago

    r means distance

    1Thank You

    Bidyadhar Sahoo 7 years, 4 months ago

    F proportional to 1/r^2

    1Thank You

    ANSWER

    • Posted by Pratik Chakor 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Chetan Chirag 7 years, 4 months ago

    Crocodyliane

    1Thank You

    ANSWER

    • Posted by Priyanshu Kumar 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Piyush Singh 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Miss Angel Barsha 7 years, 4 months ago

    The energy of a body due to change in position or change in shape is called as potential energy

    0Thank You

    Rahul Ranjan 7 years, 4 months ago

    The energy of a body due to change in position or change in shape is known as potential energy

    4Thank You

    Divyansh Dubey 7 years, 4 months ago

    The energy of the body due to its change in position or change in shape is known as its potential energy.

    5Thank You

    ANSWER

    • Posted by Gautam Kumar 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Shaiyana Manzoor 7 years, 4 months ago

    Compounds made up of ions.e.g;NaCl is made up of Na+ and Cl-ions

    1Thank You

    Mahaveer Patel 7 years, 4 months ago

    Material composed of metals and non meyals consist of some charged spices .these charged specis is called ions ions may be positive or negative charged

    2Thank You

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    • Posted by Neymar Jr 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    Following are the main characteristics of sound wave:

    • Wavelength
    • Amplitude
    • Time period
    • Frequency
    • Speed

    3Thank You

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    • Posted by Inshika .. 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Rahul Ranjan 7 years, 4 months ago

    The energy of a body due to its position and change in shapes called potential energy

    1Thank You

    Mohammad Shish 7 years, 4 months ago

    The energy of a body due to its motion called kinetic energy.

    1Thank You

    Neymar Jr 7 years, 4 months ago

    The energy required by which a body can push in upward direction is known as Potential Energy. Then, W=mgh

    2Thank You

    ANSWER

    • Posted by Hina Joon 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Abhay R 5 years, 11 months ago

    6

    1Thank You

    ANSWER

    • Posted by Hina Joon 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    Mass percentage of Oxygen is 72.7%
    Mass percentage of Carbon is 27.3%

    1Thank You

    ANSWER

    • Posted by Gowthama P 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Vani Chandra 7 years, 4 months ago

    force = mass × acceleration. ...

    0Thank You

    Mohammad Shish 7 years, 4 months ago

    F. 0{ a Force prop. to acc.

    1Thank You

    Sudeepti Sharma 7 years, 4 months ago

    Force is the product of mass and acceleration

    1Thank You

    ANSWER

    • Posted by Sai Raj 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Mohammad Shish 7 years, 4 months ago

    The acceleration produced in a freely falling body under earth's gravity(with no force acts on it) called acceleration due to gravity, g.

    0Thank You

    Yogita Ingle 7 years, 4 months ago

    When an object falls freely towards the earth there happens to be no change in the direction of motion of the object but due to the attraction of earth there will be a change in the magnitude of velocity. Change in velocity involves acceleration. So whenever the objects falls towards earth an acceleration is involved due to earth's gravitational force. This acceleration due to earth's gravitational force is called acceleration due to gravity which is denoted by 'g' and its unit is m/s2.

    3Thank You

    ANSWER

    • Posted by Sai Raj 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Mohammad Shish 7 years, 4 months ago

    • It states that momentum can neither be created nor destroyed.

    1Thank You

    Yogita Ingle 7 years, 4 months ago

    • Law of conservation of linear momentum is a extremely important consequence of Newton's third law of motion in combination with the second law of motion.
    • According to law of conservation of momentum: When two or more bodies acts upon each other their total momentum remains constant provided no external forces are acting
    • So, Momentum is never created or destroyed.

    1Thank You

    ANSWER

    • Posted by Sai Raj 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    S.No.                       Speed                     Velocity
    1. It is defined as the rate of change of distance. It is defined as the rate of change of displacement.
    2. It is a scalar quantity. It is a vector quantity.
    3. It can never be negative or zero. It can be negative,zero or posituve.
    4. Speed is velocity without direction. Velocity is directed speed.
    5. Speed may or may not be equal to velocity. A body may possess different velocities but the same speed.
    6. Speed never decreases with time. For a moving body, it is never zero. Velocity can decrease with time. For a moving body , it can be zero.
    7. Speed in SI is measured in ms-1 Velocity in SI, is measured in ms-1

    1Thank You

    ANSWER

    • Posted by Aniket Pradhan 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    Density   (Specific Gravity) Relative density
    i. Mass per unit volume of a substance is called density. i. The ratio between density of a substance and density of water is called relative density.
    ii. Density = mass/volume ii. Relative density = Density of the substance/density of water at 40C
    iii. SI unit of density is Kg/m3
    CGS unit of density is g/cm3    		 iii. Units: Relative density has no units because it is the ratio between the similar physical quantities (density).

    1Thank You

    ANSWER

    • Posted by Megha Singla 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    Pressure : Force exerted by any object per unit area is called pressure.
    Pressure=Force/Area
    Pressure is indirectly proportional to the surface area of the object, thus, pressure increases with decrease in surface area and decreases with increase in surface area.

    0Thank You

    ANSWER

    • Posted by Gulam Hassan 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Kusum Painuly 7 years, 4 months ago

    It means that the right side of the body is same as the left side for eg platy helminthes arthropoda annelida nematoda and many others

    1Thank You

    Yogita Ingle 7 years, 4 months ago

    Bilateral symmetry is the symmetry in which an organism is exactly divided into right and left halves by a single line of symmetry. e.g. Butterfly. The organisms which exhibit this type of symmetry are called as bilaterally symmetrical organisms. 

    0Thank You

    ANSWER

    • Posted by Rahul Kumar 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Nikki Bhaira 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Kusum Painuly 7 years, 4 months ago

    Cell wall

    0Thank You

    Rahul Kumar 7 years, 4 months ago

    Cell wall is the part of the plant cell which permit it to withstand in a very dillute external medium withoit brusting.

    0Thank You

    ANSWER

    • Posted by Neehal Choudhary 5 years, 11 months ago

    CBSE > Class 09 > Science
    • 5 answers

    Kusum Painuly 7 years, 4 months ago

    A fush or a pull

    0Thank You

    Deepanshi Joshi 7 years, 4 months ago

    Pull and push are force

    0Thank You

    Amit Chaudhary 7 years, 4 months ago

    The external agency which can change the state of object is called FORCE

    0Thank You

    Zoya Nisar 7 years, 4 months ago

    Force can be defined as a push or a pull that changes or tends to change the state of rest or uniform motion of an object or changes the direction or shape of an object. It causes objects to accelerate or add to their overall pressure. In simple terms, it is a push or a pull on an object that takes place when two objects interact. It is the basic cause of motion from rest.

    1Thank You

    Kirti Singh 7 years, 4 months ago

    Force is a physical cause which change or tends to change its dimensions

    2Thank You

    ANSWER

    • Posted by Megha Kulkarni 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Neymar Jr 7 years, 4 months ago

    Stone

    0Thank You

    Aryan Prajapati 7 years, 4 months ago

    stonr,trainand five ruppee coin

    2Thank You

    ANSWER

    • Posted by Anuj Tiwari 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Kusum Painuly 7 years, 4 months ago

    Firstly dont think so that if u dont like maths or maths seems difficult for u then physics is also difficult no.. me too hate maths too much but i love physics and the best trick to do the numericals is firstly read the question write that what is given to u and then try to find out that what i have been asked to do in the ques. and then put the furmula and then try to solve the ques.

    2Thank You

    Neymar Jr 7 years, 4 months ago

    First learn formulas and then read them carefully.Then u will understood

    0Thank You

    Saba Elias 7 years, 5 months ago

    Learn all the formulas and clear your basics

    2Thank You

    ANSWER

    • Posted by Raj Vatsa 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Rahul Ranjan 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Kusum Painuly 7 years, 4 months ago

    He clasdified the organisms into 5 kingdom monera protista fungi plantae and animalia

    0Thank You

    Saba Elias 7 years, 5 months ago

    Whittaker in 1959 has classified living organism into 5 kingdoms Kingdom monera. Kigndom protista Kingdom plantae Kingdom fungi Kingdom animalia

    1Thank You

    Sudhanshu Jaiswal 7 years, 5 months ago

    2

    1Thank You

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    • Posted by Naman Tayal 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Raj Vatsa 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Neymar Jr 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Rahul Ranjan 7 years, 5 months ago

    Parenchyma Paranormal cells are living and posses the power division. The bodies such as stem,roots,leaves,flowers and fruit Paranormal serves as packing tissues Collenchyma If chloroplast is present in parenchyma tissue is called collenchyma and it performs photosynthesis Sclerenchyma In hydrophytes large air cavity are present in parenchyma to give buoyancy to the plants such a type of parenchyma is called sclerenchyma

    4Thank You

    ANSWER

    • Posted by Raj Vatsa 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Raj Vatsa 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Komal Kaur 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Komal Kaur 7 years, 5 months ago

    The energy perssured by the body due to its motion is called kinetic energy. It is denoted by "K.E.". It is scalar quantity. It's S.I unit is joule (J). Formula:- ( =f_|_m_|___|__m_|_=v) both are diagram ( M_____________V ) S Consider a body of mass M is initially at rest when a force f is applied it covers the displacement as and it acquires the final velocity We know that, ( v)ka square -( u) ka square=2as v ka square -0=2as a=v/2s

    3Thank You

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