Test Energy

Question 1

The picture below shows a person swinging a baseball bat starting at point A. (At the top)The kinetic energy of the bat would be the greatest at______

Answer 1

Point C (at the bottom of the swing)
Concept 2 pg 2

Question 2

The picture below shows a person swinging a baseball bat starting at point A. (At the top)The gravitational potential energy of the bat would be the greatest at_____

Answer 2

Point A (at the top of the swing)
Concept 2 pg 2

Question 3

Which pictures below show the same type of thermal energy transfer?

Answer 3

The stove and the iron

Concept 2 pg 1

Question 4

The diagram on 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_____

Answer 4

35°C -> 20°C

Concept 3 pg 1

Question 5

The mechanical energy of a coconut falling from a tree____

Answer 5

Remains constant

Concept 2 pg 2

Question 6

When an object is dropped what happens to potential and kinetic energy as it falls?

Answer 6

GPE goes down, and KE goes down

Question 7

As the time required to do a given amount of work decreases, the power developed____

Answer 7

Increases

Question 8

44. An 8kg toddler is running and using 400J of KE. What is the velocity of the child?

Answer 8

V= 10m/s FORWARD