Answer:
k=(-5)
Solution in the picture above
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Answer:
The kinetic energy of the object at a speed of 2 meters per second is 20 joules.
Explanation:
From the definition of the kinetic energy we get that kinetic energy is directly proportional to the square of the linear velocity. That is:
Where:
- Kinetic energy, measured in joules.
- Proportionality constant, measured in joules per square meter per square second.
- Speed, measured in meter per second.
Now we can determine the kinetic energy by using the following extrapolation:
If we know that ,
and
, the kinetic energy is:
The kinetic energy of the object at a speed of 2 meters per second is 20 joules.