Which of the following is an example of kinetic energy transfer?
1. A large snowball sitting at the top of a hill
2. Xavier pushing Brad down the snowy hill on a sled
3. A car driving up a steep hill
4. Jules sitting in a chair
expand 5(y + 2) using the distributive property.
5y + 2
5y + 10
6y + 7
6y + 10
The correct expansion of 5(y + 2) using the distributive property is:
5y + 10
2. Xavier pushing Brad down the snowy hill on a sled
Which example demonstrates kinetic energy?(1 point) Responses
A wave crashing on the shore
A stretched-out rubber band
A car parked in the parking lot
A rock sitting at the top of a hill
A wave crashing on the shore
When Kiara plays the piano, how does kinetic energy transfer from one object to the other?(1 point) Responses
Energy transfers from Kiara’s fingers to the piano keys
Energy transfers from the piano keys to Kiara’s fingers
Energy transfers from the piano pedals to the piano keys
Energy transfers from the air to Kiara’s fingers
Energy transfers from Kiara’s fingers to the piano keys
Expand 6(x + 1) .
Expanding 6(x + 1):
6(x) + 6(1)
6x + 6