toronto416
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third year university student, University of Toronto MCAT Prep Quiz sobre MCAT - Physical Science Practice, criado por toronto416 em 20-05-2014.

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MCAT - Physical Science Practice

Questão 1 de 11

1

A hockey puck of mass 0.16 kg is slapped so that its velocity is 50 m/sec. It slides 40 meters across the ice before coming to rest. How much work is done by friction on the puck?

Selecione uma das seguintes:

  • +4 J

  • –60 J

  • –200 J

  • –340 J

Explicação

Questão 2 de 11

1

What is the name for motion without rotation?

Selecione uma das seguintes:

  • transitional motion

  • translational motion

  • non-rotational motion

  • ambiguous motion

Explicação

Questão 3 de 11

1

Name this formula: ΔV = βVΔT

Selecione uma das seguintes:

  • formula for change in velocity

  • formula for defining vectors

  • formula for change in valence

  • formula for volume expansion of solids and liquids

Explicação

Questão 4 de 11

1

What is the common name for the point at which the total force due to gravity can be said to be acting?

Selecione uma das seguintes:

  • center of motion

  • gravitational resistance

  • center of gravity

  • center of resistance

Explicação

Questão 5 de 11

1

What is resistivity?

Selecione uma das seguintes:

  • intrinsic resistance to current flow in a material

  • intrinsic acceleration of current flow in a material

  • intrinsic indifference to current flow in a material

  • intrinsic amplification of current flow in a material

Explicação

Questão 6 de 11

1

What is it called when waves are in phase and their amplitudes add together?

Selecione uma das seguintes:

  • occlusion

  • constructive interference

  • collusion

  • destructive interference

Explicação

Questão 7 de 11

1

What is another name for the ratio of an image’s height to the height of the object it represents?

Selecione uma das seguintes:

  • ramification

  • magnification

  • nullification

  • resolution

Explicação

Questão 8 de 11

1

In regard to a string, what is the fundamental frequency?

Selecione uma das seguintes:

  • the highest frequency the string can support

  • the median frequency the string can support

  • the best frequency the string can support

  • the lowest frequency the string can support

Explicação

Questão 9 de 11

1

What kind of oscillation occurs when particles move in the direction of the wave motion?

Selecione uma das seguintes:

  • latitudinal

  • unusual

  • longitudinal

  • atypical

Explicação

Questão 10 de 11

1

Which law states that the voltage drop across a resistor is proportional to the current carried?

Selecione uma das seguintes:

  • Mimm’s law

  • Ohm’s law

  • Planck’s law

  • Heisenberg’s law

Explicação

Questão 11 de 11

1

What is electrostatic force?

Selecione uma das seguintes:

  • static electricity

  • the force that exists between stationary charges

  • the force that exists between moving charges

  • the force that exists when one charge is moving and the other is stationary

Explicação

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