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MCAT Physics - Linear Momentum Quiz

Jen Molte 11 preguntas 5,0 (1 valoración)

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Preguntas del test (11)

  1. 1A particle of mass 1 kg is located at (0,0) and a particle of mass 2 kg is located at (3,0). What is the location of the center of mass of this system?
    1. A(0,0)
    2. B(1,0)
    3. C (1.5,0)
    4. D (2,0)
  2. 2The net external force on a system of particles is zero. What is the velocity of the center of mass of the system?
    1. A0
    2. BConstant
    3. CConstantly increasing
    4. DConstantly decreasing
  3. 3The net external force on a system of particles is zero. What is the velocity of each particle in the system?
    1. A0
    2. BConstant
    3. CConstantly increasing
    4. DNot enough information
  4. 4Four particles of equal mass are at points (0,0), (2,0), (2,2) and (0,2). Where is the center of mass of the system?
    1. A(1,0)
    2. B(1,1)
    3. C(2,0)
    4. D(2,2)
  5. 5Where is the center of mass of a single particle?
    1. AThe point halfway between the particle and the origin
    2. BThe origin
    3. CThe position of the particle
    4. DUndefined
  6. 6A net force of 8 N is applied to a system containing four masses, each of 1kg. What is the resultant acceleration of the center of mass of the system?
    1. A2 m/s
    2. B8 m/s
    3. C12 m/s
    4. D32 m/s
  7. 7What is the definition of impulse?
    1. AForce per unit time
    2. BForce per unit distance
    3. CForce over a distance
    4. DForce over a time
  8. 8A bat exerts a force on a ball of 100 N for a period of .1 seconds. What is the impulse provided by the bat?
    1. A100
    2. B10
    3. C1
    4. D1000
  9. 9A net impulse on an object causes
    1. AA change in its kinetic energy
    2. BA change in its speed
    3. CA change in its momentum
    4. DA change in its mass
  10. 10A ball of mass 2 kg bounces against a wall with a velocity of 6 m/s and rebounds with the same velocity. What is the impulse provided by the wall?
    1. A12
    2. B24
    3. C3
    4. D8

Información

Descripción
A-Level MCAT Test sobre MCAT Physics - Linear Momentum Quiz, creado por Jen Molte el 21/05/2014.
Idioma
English
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