We can solve the problem by using Netwon's third law:
where:
T is the orbital period of the planet
R is the average radius of the orbit (so, the average distance of the planet from the star)
M is the mass of the star.
First, we need to convert the period and the radius into SI units:
And then, re-arranging the formula and substituting the numbers we find
im pretty sure it was tennis
Explain why the speed of light is lower than
3.0 × 108 m/s as it goes through different media.
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the molecules are forced to vibrate. that vib causes re emission. speed of emiited waves less than in vac.
Answer:
<em>The penny will hit the ground at 6.39 seconds</em>
Explanation:
<u>Free Fall</u>
The penny is dropped from a height of y=200 m. The equation of the height on a free-fall motion is given by:
Where , and t is the time.
Solving for t:
Using the value y=200:
t=6.39 sec
The penny will hit the ground at 6.39 seconds