Sonar signals and infrared light are are used to send messages to submarines deep under water. If we compare the two signals, wh
ich statement describes a difference between the two?
1 answer:
What are the statement choices?
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Answer:
Mechanical Energy
Explanation:
The sum of kinetic energy and potential energy of an object is its total mechanical energy.
Answer:
quantitative
Explanation:
Small tracks of water are left on the ice as kinetic energy is transformed into thermal energy
Answer: 5 joules
Explanation:
mass=m=2.5kg
Velocity=v=2m/s
Kinetic energy=ke
ke=(m x v x v)/2
ke=(2.5 x 2 x 2)/2
Ke=10/2
Ke=5
Kinetic energy=5 joules
