Answer:
21.9 seconds
Explanation:
lets say the speed of sound at room temp 343m/s and one kilometer is 1000 meters. so 7.5 kilometers is equal to 7500 meters and we divide this number by 343 and we get 21.8 seconds
Answer:
The answer is B. Without a college education, workers will actually lose money in the long run.
Explanation:
Just got it right on the assignment
Answer:
Amount of linear movement
Explanation:
Our system is defined by the rate of change in mass that
leaves the car
, this happens during a time interval
, in addition to freight car and sand at time t.
In this way we need to define the two states:
State 1,
consider
and V.
State 2,
consider 
In this state is the mass of sand output, which
is composed of

In this way we define the Linear movement in x, like this:



In this way we proceed to obtain the Force


Since the mass of the second term becomes 0, the same term is eliminated, thus,



Answer:
the sympathetic division and the parasympathetic division.
Explanation:
These two divisions have antagonistic (opposing) effects on the internal organs they innervate (send nerves to = act on).
hope this helps :)