Jordan wants to know the difference between using a 60-W and 100-W lightbulb in her lamp. She calculates the energy it would tak
1 answer:
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Answer:
Explanation:
Let's see how we can approach the problem:
Using a simple simulation:
One octave separation = 2 x the length = 1/2 length
Two octaves separation = 4 x the length = 1/4 length
Three octaves separation = 8 x the length = 1/8 length
Four octaves separation = 16 x the length = 1/16
and so on...
As we can see, the length is decreasing by a factor of
Answer:
Explanation:
The values of the position and velocity of the ball are missing in the text - found the table in internet, see attached picture.
We can solve this problem by using the following SUVAT equation:
v(t) = u +at
where
v(t) is the velocity of the rock at time t
u is the initial velocity
a is the acceleration of gravity on the planet
t is the time
At t = 0, u = 20 m/s.
After 1 second, t = 1 and v = 15 m/s. Substituting these values and solving for a, we find:
And the negative sign means the acceleration is downward.
