What do the vertical columns in the periodic table indicate?
2 answers:
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Taking into account the definition of speed, the average speed of the car in the trip is 57.14 .
Speed is a physical magnitude that relates the displacement of an object and the time it takes to make this change in position.
So, the speed can be defined as the amount of space traveled per unit of time with which a body moves and can be calculated using the expression:
Speed has units of , such as
or
.
In this case, you know that:
- displacement= 200 miles
- time= 3.5 hours
Replacing in the definition of speed:
<u><em>speed= 57.14 </em></u>
Finally, the average speed of the car in the trip is 57.14 .
Learn more about velocity:
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Answer:
Explanation:
m = Mass rocket = 1070 kg
v = Velocity of rocket = 3.75 m/s
a = Acceleration of rocket = 5g
g = Acceleration due to gravity =
The energy balance of the system is given by
The force balance of the system is given by
The distance the spring must be compressed is
The force constant of the spring is .