There are three things speed, velocity, and momentum.
Hand grip test an example of an isometric muscle contraction.
Isometric(increased pressure but no shortening)
Explanation:
- Isometric contraction, is one in which the muscle is activated, but instead of being allowed to lengthen or shorten, it is held at a constant length.
- An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint.
- Isometric exercises are contractions of a particular muscle or group of muscles. During isometric exercises, the muscle doesn't noticeably change length and the affected joint doesn't move. Isometric exercises help maintain strength. They can also build strength, but not effectively.
- Isometric exercise is also known as static strength training. (Examples include the plank and side bridge as well as the wall sit and many yoga poses such as chair and tree poses).
Answer:
Q = 8368 Joules.
Explanation:
Given the following data;
Mass = 50 g
Initial temperature = 30°C
Final temperature = 70°C
Specific heat capacity = 4.184 J/g °C
To find the amount of heat absorbed by the water;
Heat capacity is given by the formula;
Where;
Q represents the heat capacity or quantity of heat.
m represents the mass of an object.
c represents the specific heat capacity of water.
dt represents the change in temperature.
dt = T2 - T1
dt = 70 - 30
dt = 40°C
Substituting the values into the equation, we have;
Q = 8368 Joules.
Answer:
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They have no freedom to move since they are compact and extremely close together. the reason a solid obtains it’s shape is due to the fact that atoms are so close together and they cannot move freely. atoms in a solid will only vibrate- they cannot slide past each other or move freely because then the solidification wouldn’t exist.