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goldenfox [79]
3 years ago
12

A student gathered two boxes of the same size made of different materials glass and clear plastic. She placed them on a windowsi

ll
in the sun for an hour and then measured the temperature of the air in each box
Which statement best describes the purpose of the experiment?
to relate the type of box material to the mass of the box
to relate the type of box material to the temperature of air within the box
to relate the size of the box to the temperature of air within the box
to relate the amount of time a box is exposed to sunlight to the temperature of air within the box
Physics
1 answer:
ch4aika [34]3 years ago
8 0

Answer:

dependent variable

Explanation:

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34883.7

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3 years ago
Katelyn (55 kg) is practicing a drop jump in the biomechanics lab. She steps off a plyometrics box, lands on the force plate, an
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Answer:

J = 357.5 kg*m/s

Explanation:

  • The impulse exerted on Katelyn when she was on the force plate, is equal to the change in her momentum, according to Newton's 2nd Law.
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       p_{o} = m*v_{o} = 55 kg * (-3.0 m/s)  (1)

  • By the same token, the final momentum is as follows:

       p_{f} = m*v_{f} = 55 kg * (3.5 m/s)  (2)

  • As we have already said, the impulse J is just equal to the change in momentum, i.e., the difference between (2) and (1):

      J = p_{f} - p_{o} = m* (v_{f} -v_{o}) = 55 kg* (3.5m/s- (-3.0m/s)) = 357.5 kg*m/s (3)

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3 years ago
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