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暗記メーカー

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71問 • 1年前
  • Nayan Kumar
    • 通報

    問題一覧

  • 1

    NS

  • 2

    0

  • 3

    In UCM work done by centripetal force is

    0

  • 4

    Work done by friction maybe positive negative and zero

    true

  • 5

    Work done by normal on object when object is moving on a inclined plane

    0

  • 6

    2

  • 7

    1

  • 8

    3

  • 9

    1

  • 10

    3

  • 11

    3

  • 12

    4

  • 13

    18J

  • 14

    2

  • 15

    3

  • 16

    5J

  • 17

    4

  • 18

    4

  • 19

    3

  • 20

    4

  • 21

    4

  • 22

    2

  • 23

    Work done by gravity does not depends upon path

    true

  • 24

    60J

  • 25

    600J

  • 26

    Work done by gravity will be same in all cases

    true

  • 27

    -umg2πr

  • 28

    0

  • 29

    Calculate work done by friction when objects move from A to B if surface is rough

    -umgcosθ.S

  • 30

    Solve using work energy theorem

    2

  • 31

    If work done by spring is W in elongation 2 m then find work done in further elongation by 2 m

    3W

  • 32

    Work depends upon frame of reference

    t

  • 33

    Kinetic energy depends upon frame of reference

    t

  • 34

    To identical particle having same kinetic energy must have same momentum

    f

  • 35

    Two identical particle having same momentum must have same kinetic energy

    t

  • 36

    Work done by spring in elongation is

    negative

  • 37

    Work done by spring in compression is

    negative

  • 38

    4

  • 39

    1

  • 40

    Two bodies with kinetic energy in the ratio 4:1 are moving with equal linear momentum the ratio of their masses is

    1:4

  • 41

    Graph between Kinetic energy versus momentum if mass is constant

    upward opening parabola

  • 42

    Graph between Kinetic energy 🆚 square of momentum if mass is constant

    straight line

  • 43

    Graph between Kinetic energy 🆚 mass if momentum is constant

    rectangular hyperbola

  • 44

    Graph between P 🆚 √m if kinetic energy is constant

    straight line

  • 45

    Graph between Kinetic energy 🆚 mass if velocity is constant

    straight line

  • 46

    Graph between 1/P 🆚 √m if kinetic energy is constant

    rectangular hyperbola

  • 47

    Graph between K.E 🆚 mass if work done is constant

    straight line with zero slope

  • 48

    Graph between 1/P 🆚 √K.E. if mass is constant

    rectangular hyperbola

  • 49

    4

  • 50

    4

  • 51

    4

  • 52

    160J

  • 53

    -270J

  • 54

    3

  • 55

    1

  • 56

    1

  • 57

    t

  • 58

    t

  • 59

    60m

  • 60

    t

  • 61

    10√10 meter per second

  • 62

    Object 5 kg drop from height 20 m then its velocity at ground is 5m/s then work done by friction is

    -937.5 J

  • 63

    Object of mass 2 kg is projected up with velocity 20 m/s and its vertical height attend by it is 10m then find work done by friction

    - 200 J

  • 64

    √2gr

  • 65

    Calculate velocity at bottom point and also calculate velocity if θ= 90° and 0°

    t

  • 66

    2

  • 67

    √2gh

  • 68

    t

  • 69

    3

  • 70

    1

  • 71

    In UCM work done by centripetal force is

    0

    • class questions

    class questions

    Nayan Kumar · 8問 · 1年前

    class questions

    class questions

    8問 • 1年前
    Nayan Kumar

    dpp questions

    dpp questions

    Nayan Kumar · 8問 · 1年前

    dpp questions

    dpp questions

    8問 • 1年前
    Nayan Kumar

    mistakes previous year

    mistakes previous year

    Nayan Kumar · 47問 · 1年前

    mistakes previous year

    mistakes previous year

    47問 • 1年前
    Nayan Kumar

    silly mistake

    silly mistake

    Nayan Kumar · 15問 · 1年前

    silly mistake

    silly mistake

    15問 • 1年前
    Nayan Kumar

    data and facts

    data and facts

    Nayan Kumar · 18問 · 1年前

    data and facts

    data and facts

    18問 • 1年前
    Nayan Kumar

    notes

    notes

    Nayan Kumar · 38問 · 1年前

    notes

    notes

    38問 • 1年前
    Nayan Kumar

    notes 1 from constant acceleration

    notes 1 from constant acceleration

    Nayan Kumar · 100問 · 1年前

    notes 1 from constant acceleration

    notes 1 from constant acceleration

    100問 • 1年前
    Nayan Kumar

    Learn fast

    Learn fast

    Nayan Kumar · 29問 · 1年前

    Learn fast

    Learn fast

    29問 • 1年前
    Nayan Kumar

    notes 2 from motion under gravity

    notes 2 from motion under gravity

    Nayan Kumar · 7問 · 1年前

    notes 2 from motion under gravity

    notes 2 from motion under gravity

    7問 • 1年前
    Nayan Kumar

    frog

    frog

    Nayan Kumar · 44問 · 1年前

    frog

    frog

    44問 • 1年前
    Nayan Kumar

    notes questions

    notes questions

    Nayan Kumar · 71問 · 1年前

    notes questions

    notes questions

    71問 • 1年前
    Nayan Kumar

    notes 1 electrolytic cell

    notes 1 electrolytic cell

    Nayan Kumar · 66問 · 1年前

    notes 1 electrolytic cell

    notes 1 electrolytic cell

    66問 • 1年前
    Nayan Kumar

    問題一覧

  • 1

    NS

  • 2

    0

  • 3

    In UCM work done by centripetal force is

    0

  • 4

    Work done by friction maybe positive negative and zero

    true

  • 5

    Work done by normal on object when object is moving on a inclined plane

    0

  • 6

    2

  • 7

    1

  • 8

    3

  • 9

    1

  • 10

    3

  • 11

    3

  • 12

    4

  • 13

    18J

  • 14

    2

  • 15

    3

  • 16

    5J

  • 17

    4

  • 18

    4

  • 19

    3

  • 20

    4

  • 21

    4

  • 22

    2

  • 23

    Work done by gravity does not depends upon path

    true

  • 24

    60J

  • 25

    600J

  • 26

    Work done by gravity will be same in all cases

    true

  • 27

    -umg2πr

  • 28

    0

  • 29

    Calculate work done by friction when objects move from A to B if surface is rough

    -umgcosθ.S

  • 30

    Solve using work energy theorem

    2

  • 31

    If work done by spring is W in elongation 2 m then find work done in further elongation by 2 m

    3W

  • 32

    Work depends upon frame of reference

    t

  • 33

    Kinetic energy depends upon frame of reference

    t

  • 34

    To identical particle having same kinetic energy must have same momentum

    f

  • 35

    Two identical particle having same momentum must have same kinetic energy

    t

  • 36

    Work done by spring in elongation is

    negative

  • 37

    Work done by spring in compression is

    negative

  • 38

    4

  • 39

    1

  • 40

    Two bodies with kinetic energy in the ratio 4:1 are moving with equal linear momentum the ratio of their masses is

    1:4

  • 41

    Graph between Kinetic energy versus momentum if mass is constant

    upward opening parabola

  • 42

    Graph between Kinetic energy 🆚 square of momentum if mass is constant

    straight line

  • 43

    Graph between Kinetic energy 🆚 mass if momentum is constant

    rectangular hyperbola

  • 44

    Graph between P 🆚 √m if kinetic energy is constant

    straight line

  • 45

    Graph between Kinetic energy 🆚 mass if velocity is constant

    straight line

  • 46

    Graph between 1/P 🆚 √m if kinetic energy is constant

    rectangular hyperbola

  • 47

    Graph between K.E 🆚 mass if work done is constant

    straight line with zero slope

  • 48

    Graph between 1/P 🆚 √K.E. if mass is constant

    rectangular hyperbola

  • 49

    4

  • 50

    4

  • 51

    4

  • 52

    160J

  • 53

    -270J

  • 54

    3

  • 55

    1

  • 56

    1

  • 57

    t

  • 58

    t

  • 59

    60m

  • 60

    t

  • 61

    10√10 meter per second

  • 62

    Object 5 kg drop from height 20 m then its velocity at ground is 5m/s then work done by friction is

    -937.5 J

  • 63

    Object of mass 2 kg is projected up with velocity 20 m/s and its vertical height attend by it is 10m then find work done by friction

    - 200 J

  • 64

    √2gr

  • 65

    Calculate velocity at bottom point and also calculate velocity if θ= 90° and 0°

    t

  • 66

    2

  • 67

    √2gh

  • 68

    t

  • 69

    3

  • 70

    1

  • 71

    In UCM work done by centripetal force is

    0