Energy Test Flashcards
What is the next step after this; KE=1/2(2.6)(6)2
KE= 1.3(36)
How much force is required to lift a rock a vertical distance of 8m if 80 j of work were done?
10 N
Unit 7 concept 1
Through which of the following will convection most likely occur?
Liquids and gases
Unit 7 concept 3
The diagram to the right shows four locations in a temperature field. The temperature of each location is given in degrees Celsius. Heat energy will normally flow from.
High temp to low temp
Unit 7 concept 3
The mechanical energy of a coconut falling from a tree…?
Remains constant
Unit 7 concept 1
When you hold an ice cube, your hand feels cold because…
Heat flows from your hand to the ice cube
Unit 7 concept 3
What is the rate at which work is done
Power
Unit 7 concept 4
Transfer of energy by the movement of heated particles
Convection
Unit 7 concept 3
When an object obsorbs energy, the change in temperature will be…
Positive
Unit 7 concept 3