. In which section or sections is the cart's kinetic energy increasing?
You might need to choose more than one answer.
(1 point)
Responses
section A
section B
section C
section D
section E
The cart's kinetic energy is increasing in sections C and D.
How would you describe the cart's kinetic energy in section B?(1 point)
Responses
The cart has a constant kinetic energy.
The cart has an increasing kinetic energy.
The cart has a decreasing kinetic energy.
The cart has no kinetic energy.
The correct response is: The cart has a constant kinetic energy.
Describe the cart's motion in section E.(1 point)
Responses
The cart is getting slower.
The cart is getting faster.
The cart is moving at a constant speed.
The cart is not moving.
The correct response is: The cart is moving at a constant speed.
What is happening to the cart's kinetic energy is section E?(1 point)
Responses
The kinetic energy is increasing.
The kinetic energy is decreasing.
The kinetic energy is staying the same.
The kinetic energy goes down and then up
The correct response is: The kinetic energy is staying the same.
e. In sections A, B, C, and D, what causes the cart to move?(1 point)
Responses
Joaquin and Susanna transfer energy to the cart.
Joaquin and Susanna stop pushing the cart.
The ground transfers energy to the cart.
Gravity makes the cart
Question 6
f. What is the most likely explanation for the motion of the cart in section E?(1 point)
Responses
Joaquin and Susanna stopped pushing the cart and let it roll to a stop.
Someone else helped Joaquin and Susanna push faster.
The cart started going downhill.
The sports equipment fell out of the cart.
e. The correct response is: Joaquin and Susanna stop pushing the cart.
f. The most likely explanation for the motion of the cart in section E is: Joaquin and Susanna stopped pushing the cart and let it roll to a stop.
To determine in which section(s) the cart's kinetic energy is increasing, let's first understand the concept of kinetic energy. Kinetic energy is the energy an object possesses due to its motion. It depends on both the mass and the velocity of the object. The formula to calculate kinetic energy is:
Kinetic Energy (KE) = 0.5 * mass * velocity^2
Now, to determine if the cart's kinetic energy is increasing, we need to analyze the changes in its velocity throughout the different sections. If the cart's velocity increases, its kinetic energy will also increase.
However, without additional information about the motion of the cart in each section (such as its speed, acceleration, or any external forces acting upon it), it is not possible to definitively determine in which section(s) the cart's kinetic energy is increasing.
Therefore, based solely on the given options (sections A, B, C, D, and E), we cannot identify the specific section(s) where the cart's kinetic energy is increasing.