Answer:
acceleration is 2.5m/s2
Explanation:
The formula is F=ma so to get the acceleration you would do f/m=a 125/50=2.5
Answer:
B. axon hillock
Explanation:
The axon hillock is the junction where the cyton connects with the axon. There is only one axon hillock in the neuron and it is a triangular depression of cell boy to the axon. The axons receives impulse from cyton carry to the different parts of the body. The axon hillock is also called initial segment. Because action potential starts here.
Myelin sheath is the cover or layer around the axon and helps in saltatory movement of impulse. The propagation of impulse is fast in myelinated neurons than the non-myelinated neurons.
The neurolemma is the neural membrane of the neurons. It is like the plasma membrane of the cell. The outer covering of neurons is called neurilemma.
Axon collateral is the end of the axon where axon terminals arise. They carry impulse and transmit to the synapse.
Explanation:
Precision can be defined as ability to reproduce a set of results.
The archer would be more precise if all his shots are in a particular place.
Accuracy is a measure of how close the shot is to the target.
The closer the shot to the target, the more accurate it is.
- A contestant with a good precision but poor accuracy implies that most of his shots are far away from the target(poor accuracy).
- Also, the shots are clustered and likely hits a particular spot(precision)
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The generally widely accepted first step of the scientific method is to ask a question.
This is where you think of a question which you want to do an experiment on, and then later on conduct an experiment to answer that question.
