Answer:
Height of the tree is <u>9.6 cm</u>
Explanation:
We know that, Magnification of an image is written as follows.
Where,
As per given question,
Substitute the values in the above formula,
Height of the tree is 9.6 cm.
Explanation:
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Answer:
570 J
Explanation:
im sorry im not sure about the rest but i hope this helps
Answer: R=24.2Ω
Explanation: <u>Power</u> is rate of work being done in an electric circuit. It relates to voltage, current and resistance through the following formulas:
P=V.i
P=R.i²
The resistance of the system is:
R = 24.2Ω
<u>For the device, resistance is 24.2Ω.</u>