Energy Test Flashcards
1
Q
The mechanical energy of a coconut falling from a tree ____.
A
remains constant
U7, C2, p. 11
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
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
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
5
Q
Will a higher temperature normally flow to a lower temperature?
A
Yes
U7, C3, p.19
6
Q
When an object absorbs energy, the change in temperature will be
A
positive
U7, C3, p.19
7
Q
- What should always be included in velocity?
A
Direction
U7, C1, p.2