Answer:
Constante de resorte, k = 19.745 N/m
Explanation:
<u>Dados los siguientes datos;</u>
Masa, m = 2 kg
Periodo, T = 2 segundos
Para encontrar la constante del resorte, k;
Dónde;
- T es el período.
- m es la masa del objeto.
- k es la constante del resorte.
Haciendo k el tema de la fórmula, tenemos;
Sustituyendo en la fórmula, tenemos;
<em>Constante de resorte, k = 19.745 N/m</em>
Answer:
A) the concentration of calcium ions in the sarcoplasm of a resting muscle
Explanation:
Sarcoplasmic reticulum is a system of the membranous sac that is present around each myofibril and is filled with calcium ions. When muscles are in the resting stage, calcium ions are stored in the sarcoplasmic reticulum.
As the muscle action potential triggers change in voltage-gated calcium ion channels of the sarcoplasmic reticulum, the channels are opened to release the calcium ions in the sarcoplasm. Increased calcium ion levels in sarcoplasm make the muscle fibers to contract.
Removal of acetylcholine from the synaptic cleft ends the production of muscle action potential and calcium ions are moved back from the sarcoplasmic reticulum.
Hence, lower levels of calcium ions are maintained in sarcoplasm when the muscles are in the resting stage.
They consider it to be psuedoscience because we no longer need the location of stars and planets to know when to do things like harvest crops.
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Answer:
C
Explanation:
Unsaturated fats that chains in their polymer chains as shown in the diagram in C. These kinks reduced the levels of compaction between adjacent polymer chains because they disrupt the hydrogen bonds between the chains . Therefore, the oils will not be solid at room temperature. This is why they are called unsaturated fats.
