Answer:
answer is A. Sirus is much closer to Earth than Rigel.
Answer:
because of the moons gravity
Explanation:
Answer:
The percentage efficiency of the electrical element is approximately 82.186%
Explanation:
The given parameters are;
The thermal energy provided by the stove element,
= 3.34 × 10³ J
The amount thermal energy gained by the kettle,
= 5.95 × 10² J
The percentage efficiency of the electrical element in heating the kettle of water, η%, is given as follows;

Therefore, we get;

The percentage efficiency of the electrical element, η% ≈ 82.186%.
The total energy can be found by adding the different energies:
628 + 15,600 + 712
= 16.94 kJ
Answer:
200J
Explanation:
This is because 500J - 300J = 200J
I hope this helps!!!