The law of conservation of energy states that energy cannot be BLANK or destroyed.
2 answers:
Answer:
Created
Explanation:
The law of conservation of energy states that the total mechanical energy of a system remains constant.
Mechanical energy = Kinetic energy +Potential energy
Kinetic energy,
Potential energy,
It also states that energy can neither be created nor be destroyed. It just changes its form one energy state to another.
So, the correct option is (c) ''created''
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Answer:
<em>The final speed of the vehicle is 36 m/s</em>
Explanation:
<u>Uniform Acceleration</u>
When an object changes its velocity at the same rate, the acceleration is constant.
The relation between the initial and final speeds is:
Where:
vf = Final speed
vo = Initial speed
a = Constant acceleration
t = Elapsed time
The vehicle starts from rest (vo=0) and accelerates at a=4.5 m/s2 for t=8 seconds. The final speed is:
The final speed of the vehicle is 36 m/s