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Sagot :
Answer:
At 4 meters, the potential energy is 800 Joules
At 3 meters, the potential energy is 600 Joules
At 2 meters, the potential energy is 400 Joules
At 1 meter, the potential energy is 200 Joules
Step-by-step explanation:
The given mass of the object = 20 kg
The Potential Energy of an object at a height is. P.E. = m × g × h
Where;
m = The mass of the object
g = The acceleration due to gravity taken as 10 m/s²
h = The height of the object
The potential energy if the height is 4 meters is given as follows;
P.E. = 20 kg × 10 m/s² × 4 m = 800 Joules
The potential energy if the height is 3 meters is given as follows;
P.E. = 20 kg × 10 m/s² × 3 m = 600 Joules
The potential energy if the height is 2 meters is given as follows;
P.E. = 20 kg × 10 m/s² × 2 m = 400 Joules
The potential energy if the height is 1 meter is given as follows;
P.E. = 20 kg × 10 m/s² × 1 m = 200 Joules.
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