Energy Test Flashcards

1
Q

The mechanical energy of a coconut falling from a tree ____.

A

remains constant

U7, C2, p. 11

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2
Q

A medicine ball has 10 J of energy and is thrown upward with a velocity of 2 m/s. What is its mass?

A

5 kg

U7, C1, p. 2

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3
Q

When you hold an ice cube, your hand feels cold because

A

heat flows from your hand to the ice cube.

U7, C3, p. 11

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4
Q

Does a frying pan being heated and a flat iron have the same type of thermal energy transfer?

A

Yes

U7, C3, p.19

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5
Q

Will a higher temperature normally flow to a lower temperature?

A

Yes

U7, C3, p.19

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6
Q

When an object absorbs energy, the change in temperature will be

A

positive

U7, C3, p.19

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7
Q
  1. What should always be included in velocity?
A

Direction

U7, C1, p.2

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