The pillow will continue to go forward as Newton's first law states that an object will continue in it's path unless another force acts upon it
Answer:
B
Explanation:
because when they are in opposite direction we subtract so 10N-10N=0 the second one is in the same direction so we simply add the 2 numbers so 10N+10N=20N the last one is as the same as the first picture we subtract 10N-8N=2N
Because when you spill water on it, the reflection comes from the surface of the water, not the ground glass.
C) No valid conclusion is suggested by these observations.
Explanation:
From the experiment, no valid conclusion can be drawn from the observations.
The tests are simply based on heat loss by a material.
- In conduction, heat is lost by contact between materials in which heat flows from one to another.
- Convection is a form of heat loss in which heat flows by density in fluids
- The test carried out does not provide proof and comparison between heat loss by conduction and convection.
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Answer:
The sympathetic nervous system is responsible for preparing the body for defensive action. See the explanation below, please.
Explanation:
The sympathetic nervous system, belongs to the parasympathetic, of the autonomic nervous system. Both systems have antagonistic functions. For example the sympathetic dilates the pupils and the parasympathetic, contracts them. In the case of the sympathetic nervous system, it prepares the body for situations of "fight or flight" before external stimuli.