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P2.2 - Everything in the Specification

Harry Woodhall 13 preguntas

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Este test tiene tipos de pregunta que se abren en el reproductor de siempre.

Preguntas del test (13)

  1. 1When a [blank_start]force[blank_end] moves an [blank_start]object[blank_end] through a [blank_start]distance[blank_end], [blank_start]energy[blank_end] is transferred and [blank_start]work is done[blank_end].
    1. Aenergy
    2. Bpotential energy
    3. Ckinetic energy
    4. Dwork is done
    5. Ethe particles move
    6. Fforce is applied
    7. Genergy is transferred
    8. Hdistance
    9. Ivacuum
    10. Jtime period
    11. Kheight
    12. Lobject
    13. Melastic object
    14. Natom
    15. Oforce
    16. Pperson
    17. Qparticle
  2. 2What is the unit of work?
    1. AJoules
    2. BWatts
    3. CNewton metres
    4. DVolts
    5. EKilogram metres per second
  3. 3Fill in the blanks to complete the passage.

    When [blank_start]meteors[blank_end] and [blank_start]space[blank_end] [blank_start]shuttles[blank_end] enter the atmosphere, they have a very [blank_start]high[blank_end] [blank_start]kinetic[blank_end] energy. Due to [blank_start]collisions[blank_end] with particles in the atmosphere, some of the [blank_start]kinetic[blank_end] energy is transferred to [blank_start]heat[blank_end] energy, and [blank_start]work[blank_end] is [blank_start]done[blank_end]. The temperatures become so [blank_start]high[blank_end] that most [blank_start]meteors[blank_end] burn up; but [blank_start]space[blank_end] [blank_start]shuttles[blank_end] have heat [blank_start]shields[blank_end] which prevent heat build-up and allow them to re-enter the atmosphere without burning up.
    1. Ameteors
    2. Bspace
    3. Cshuttles
    4. Dshuttles
    5. Espace
    6. Fmeteors
    7. Ghigh
    8. Hhigh
    9. Ikinetic
    10. Jcollisions
    11. Kkinetic
    12. Lheat
    13. Mwork
    14. Ndone
    15. Oshields
  4. 4When an object is raised vertically, work is done against the force of gravity, and the object gains kinetic energy.
    1. AVerdadero
    2. BFalso
  5. 5Earth's gravitational field strength is approximately...
    1. A10 N/kg
    2. B50 N/kg
    3. C50 Hz
    4. D5 N/kg
    5. E100 N/kg
  6. 6[blank_start]POWER[blank_end] - The [blank_start]rate[blank_end] of doing work.
    1. APOWER
    2. Brate
  7. 7What does the kinetic energy of an object depend on?
    1. AMass and speed.
    2. BMass and radius.
    3. CRadius and speed.
    4. DForce and distance.
    5. EMass and velocity.
    6. FSpeed and force.
  8. 8Momentum is a vector.
    1. AVerdadero
    2. BFalso
  9. 9The rule of [blank_start]conservation[blank_end] of [blank_start]momentum[blank_end] states that the [blank_start]total[blank_end] momentum [blank_start]before[blank_end] an event is [blank_start]equal[blank_end] to the momentum [blank_start]after[blank_end] an event.
    1. Aconservation
    2. Bmomentum
    3. Ctotal
    4. Dbefore
    5. Eequal
    6. Fafter
  10. 10A [blank_start]force[blank_end] causes a change in [blank_start]momentum[blank_end]. A larger [blank_start]force[blank_end] means a larger change in [blank_start]momentum[blank_end] (and so a greater [blank_start]acceleration[blank_end]). Similarly, if someone's [blank_start]momentum[blank_end] changes very quickly, the [blank_start]forces[blank_end] on the body will be large, and more likely to cause injury.
    1. Amomentum
    2. Bforce
    3. Cforces
    4. Dforce
    5. Emomentum
    6. Facceleration
    7. Gmomentum

Información

Descripción
A quick quiz on everything outlined in the specification for P2.2.
Idioma
English
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