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In an isotonic contraction the muscle does what?
In an isotonic contraction, the muscle changes in length while maintaining a constant tension. This allows for movement to occur, such as bending the elbow or lifting a weight.
What will be the path of moving clock if its velocity is comparable to velocity of light?
If the velocity of the moving clock is comparable to the speed of light, it will experience time dilation, length contraction, and relativistic effects according to the theory of special relativity. The path of the clock will be distorted from the perspective of a stationary observer, and its time measurements will differ significantly from those made by a stationary clock.
If a meter stick moving at 0.90 of the speed of light with respect to the observer would appear to be how long?
--> To get the answer you're interested in, we have to specify that the stick is lined upwith its length of 1 meter pointing in the direction of the motion. It doesn't do any goodto have it standing up straight but moving horizontally. The contraction is only in thedirection of motion.The contracted length = L sqrt(1 - v2/c2) =1 sqrt(1 - 0.81c2/c2) = 1 sqrt(0.19) = 0.436 meter
An electric heater is stretched to increase its length by 25 percent what is the increase in resistance?
The resistance of the electric heater will increase by approximately 56.25% (25% increase in length results in a 56.25% increase in resistance). This relationship is given by the formula: new resistance = (1 + 0.25)^2.
A contraction in which a skeletal muscle does not shorten but its tension increases is called isometric?
An isometric contraction is the name given to a skeletal muscle that does not shorten, but increases tension. The muscles generate force to protect themselves.
Are time dilation and length contraction noticed inside a single frame of reference?
Yes, when an object moving through that frame is measured.
A contraction in which there is no change in muscle length but there is a great increase in muscle tension is?
isometric contractions
What are the three effects of the theory of relativity?
The theory of relativity has three effects: time dilation, length contraction, and mass-energy equivalence. Time dilation refers to the slowing down of time for objects in motion relative to each other. Length contraction describes how objects appear shorter when they are moving at high speeds. Mass-energy equivalence, as described by E=mc^2, highlights the relationship between mass and energy.
What is the resolution to the Ehrenfest paradox regarding the contraction of a rotating disk in special relativity?
The resolution to the Ehrenfest paradox is that the contraction of a rotating disk in special relativity is not a paradox at all. The apparent contradiction arises from the different perspectives of observers in motion, but when taking into account the effects of time dilation and length contraction, the paradox is resolved. The contraction of the disk is consistent with the principles of special relativity.
What is the contract antagonist-relax method of stretching?
stretching that facilitates and increase in muscle length through isometric contraction
How does the v wr physics concept explain the behavior of particles at high velocities?
The v wr physics concept, also known as the Lorentz factor, explains how particles behave at high velocities by taking into account the effects of time dilation and length contraction. As particles approach the speed of light, time slows down for them and their length contracts in the direction of motion. This concept helps to understand how particles interact and move at high speeds, leading to phenomena such as relativistic effects and the increase in mass as velocity approaches the speed of light.
Which wave length is larger atrial contraction or ventricular contraction?
the ventricular contraction wave is larger
When applied to a triangle a dilation with a positive scale factor does not preserve .?
length
When applied to a triangle a dilation with a positive scale factor does not preserve what?
length
When applied to a triangle a dilation with a positive scale factor does not preserve?
length
What is the scale factor of the dilation that transforms triangle PQR to triangle P'Q'R' explain your answer?
The scale factor of the dilation that transforms triangle PQR to triangle P'Q'R' can be determined by comparing the lengths of corresponding sides of the triangles. If, for example, the length of side PQ is 4 units and the length of side P'Q' is 8 units, the scale factor would be 8/4 = 2. This means that triangle P'Q' is twice the size of triangle PQR, indicating a dilation with a scale factor of 2.
What kind or stretching facilitates an increase in muscle length through a maximum isometric contraction of the antagonist?
CA stretching - Contract Antagonist - Relax Method
