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Scieyang
13問 • 2年前
  • Keun
    • 通報

    問題一覧

  • 1

    which of the following is the best example of a projectile

    a stone thrown into the air

  • 2

    which statement is true about projectile

    the only force acting of a projectile is gravity

  • 3

    which statement is true about the direction of the velocity

    the velocity is directed tangent to the trajectory

  • 4

    when no air resistance acts on a projectile, what will it be its horizontal acceleration

    zero

  • 5

    what would be the velocity of a projectile at the highest point

    equal to its horizontal component

  • 6

    which of the following statement is correct (horizontal component)

    the horizontal component of the velocity has constant speed

  • 7

    which has kore momentum, a big truck moving at 30km/h or a small truck moving at 30km/h

    big truck

  • 8

    why does an egg usually break if dropped in concrete road but does not grasses

    the stopping time in the grass is increased

  • 9

    what changes the momentum of a body

    force

  • 10

    when the speed of an object is double, its momentum _

    is doubled

  • 11

    the change in momentum is known as

    impulse

  • 12

    two types of mechanical energy

    kinetic and potential

  • 13

    it states that energy is neither created, nor destroyed

    law of conservation of energy

    • PE lipens istepeng

    PE lipens istepeng

    Keun · 16問 · 2年前

    PE lipens istepeng

    PE lipens istepeng

    16問 • 2年前
    Keun

    PE lipens not rel

    PE lipens not rel

    Keun · 30問 · 2年前

    PE lipens not rel

    PE lipens not rel

    30問 • 2年前
    Keun

    PE lepins rel

    PE lepins rel

    Keun · 32問 · 2年前

    PE lepins rel

    PE lepins rel

    32問 • 2年前
    Keun

    science 3rd

    science 3rd

    Keun · 19問 · 2年前

    science 3rd

    science 3rd

    19問 • 2年前
    Keun

    Entrep (3rd)

    Entrep (3rd)

    Keun · 49問 · 2年前

    Entrep (3rd)

    Entrep (3rd)

    49問 • 2年前
    Keun

    Science (3rd)

    Science (3rd)

    Keun · 34問 · 2年前

    Science (3rd)

    Science (3rd)

    34問 • 2年前
    Keun

    Throw it back

    Throw it back

    Keun · 8問 · 2年前

    Throw it back

    Throw it back

    8問 • 2年前
    Keun

    Muse sick

    Muse sick

    Keun · 57問 · 2年前

    Muse sick

    Muse sick

    57問 • 2年前
    Keun

    Muse sick 2

    Muse sick 2

    Keun · 24問 · 2年前

    Muse sick 2

    Muse sick 2

    24問 • 2年前
    Keun

    icf sksk

    icf sksk

    Keun · 10問 · 2年前

    icf sksk

    icf sksk

    10問 • 2年前
    Keun

    araling panliputangina

    araling panliputangina

    Keun · 20問 · 2年前

    araling panliputangina

    araling panliputangina

    20問 • 2年前
    Keun

    entrepurrrnaurship

    entrepurrrnaurship

    Keun · 24問 · 2年前

    entrepurrrnaurship

    entrepurrrnaurship

    24問 • 2年前
    Keun

    draftorture

    draftorture

    Keun · 8問 · 2年前

    draftorture

    draftorture

    8問 • 2年前
    Keun

    entrippings

    entrippings

    Keun · 18問 · 2年前

    entrippings

    entrippings

    18問 • 2年前
    Keun

    filip

    filip

    Keun · 37問 · 2年前

    filip

    filip

    37問 • 2年前
    Keun

    musika

    musika

    Keun · 28問 · 2年前

    musika

    musika

    28問 • 2年前
    Keun

    drafterist

    drafterist

    Keun · 46問 · 2年前

    drafterist

    drafterist

    46問 • 2年前
    Keun

    問題一覧

  • 1

    which of the following is the best example of a projectile

    a stone thrown into the air

  • 2

    which statement is true about projectile

    the only force acting of a projectile is gravity

  • 3

    which statement is true about the direction of the velocity

    the velocity is directed tangent to the trajectory

  • 4

    when no air resistance acts on a projectile, what will it be its horizontal acceleration

    zero

  • 5

    what would be the velocity of a projectile at the highest point

    equal to its horizontal component

  • 6

    which of the following statement is correct (horizontal component)

    the horizontal component of the velocity has constant speed

  • 7

    which has kore momentum, a big truck moving at 30km/h or a small truck moving at 30km/h

    big truck

  • 8

    why does an egg usually break if dropped in concrete road but does not grasses

    the stopping time in the grass is increased

  • 9

    what changes the momentum of a body

    force

  • 10

    when the speed of an object is double, its momentum _

    is doubled

  • 11

    the change in momentum is known as

    impulse

  • 12

    two types of mechanical energy

    kinetic and potential

  • 13

    it states that energy is neither created, nor destroyed

    law of conservation of energy