Answer:
- A vibrating object
- a medium to travel
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When Debbie pushes the first cart she is using an applied force. An applied force is created when someone or something pushes another thing using, of course, an applied force. Now, when the second cart is being pushed by the first cart, this is also an applied force. You can tell because the first cart is being pushed using forced and this causes the second cart to be pushed using some of the force that is being transmitted to the first cart.
Debbie exerts applied force on the first cart. The first cart exert applied force on the second cart.
- Marlon Nunez
Answer:

Explanation:
The maximum speed of the block occurs when spring has no deformation, that is, there is no elastic potential energy, which can be remarked from appropriate application of the Principle of Energy Conservation:



Answer:
Shoe size is continuous because it is a gradual change that changes over time, but stops when our feet is at its full length
Answer:
This looks like an example of combustion
Explanation: