We use a fundamental kinematic equation as follows:
V = Vo + g*t.
<span>Tr = (V-Vo)/g = (0-10)/-10 = 1 s. = </span><span>time to reach max. height </span>
<span>Tf = Tr = 1 s. = Fall time or time to fall back to edge of bldg. </span>
<span>3-Tr-Tf = 3-1-1 = 1 s. Below edge of bldg. </span>
<span>d = Vo*t + 0.5g*t^2. </span>
<span>d = 10*1 + 5*1^2 = 15 m. <---- OPTION C</span>
Answer:
Apparent Motion
Explanation:
Apparent Motion of a star is a scientific term that describes the phenomenon that is observed as a result of the earth's rotation which is based on the area or where the observer is situated, and then the point at which the star is found comparable to the rotation axis of the earth.
This often makes the start to appear like it's moving across the sky.
Hence, A star has APPARENT MOTION; it appears to be moving across the sky as the night progresses.
Due to density, the two bats have the same size, shape, and mass.
<h3>How the two bats could be the same size, shape, and mass?</h3>
The two bats could be the same size, shape, and mass if they have the same density because density is directly proportional to mass so if the density same, the mass will also be the same.
So we can conclude that due to density, the two bats have the same size, shape, and mass.
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The tension required in order to have a fundamental frequency of 1 hz will be 0.0245 N
<h3>What is tension force?</h3>
The tension force is described as the force transferred through a rope, string, or wire as it is pulled by opposing forces.
The tension force is applied along the whole length of the wire, pulling energy equally on both ends.
The given data is;
L=2m
d=0.5 mm
ρ=7800 kg/m³
f=1 Hz
The mass of the string is found as;
The fundamental frequency of the string is found as;
Hence,the tension required in order to have a fundamental frequency of 1 hz will be 0.0245 N
To learn more about the tension force, refer to the link;
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