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brilliants [131]
3 years ago
11

How does the object distance (do) of a convex lens compare with the object

Physics
2 answers:
Aliun [14]3 years ago
8 0

Answer:

both are positive

Explanation:

a p e x :))

Alina [70]3 years ago
5 0

Answer: both are positive

Explanation:

A p e x

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Two protons are released from rest, with only the electrostatic force acting. Which of the following statements must be true abo
ycow [4]

Answer:

(A)

Explanation:

We know , electric potential energy between two charge particles of charges "q" and "Q" respectively is given by kqQ/r where r is the distance between them.

Since the two charged particles are moving apart, the distance between them (r) increases and thus electrical potential energy decreases.

7 0
3 years ago
I have a voltage source of 12V but a light that only burns at 5V. The lamp works on 18 mA. Calculate the resistance that you EXT
ratelena [41]

Answer:

The resistance that will provide this potential drop is 388.89 ohms.

Explanation:

Given;

Voltage source, E = 12 V

Voltage rating of the lamp, V = 5 V

Current through the lamp, I = 18 mA

Extra voltage or potential drop, IR =  E- V  

                                                    IR = 12 V - 5 V = 7 V

The resistance that will provide this potential drop (7 V) is calculated as follows:

IR = V

R = \frac{V}{I} = \frac{7 \ V}{18 \times 10^{-3} A} \ = 388.89 \ ohms

Therefore, the resistance that will provide this potential drop is 388.89 ohms.

7 0
3 years ago
What was Neil Bohr's theory based on?
olganol [36]

b is the answer i hope this helped...


7 0
3 years ago
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Convert 14 mg to kg ....<br>​
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<h2>♨ANSWER♥</h2>

14mg = 14 × 10^-3 g

= 14 × 10^-3 / 10^3 kg

= 14 × 10^-6 kg

= 0.014 kg

<u>☆</u><u>.</u><u>.</u><u>.</u><u>hope this helps</u><u>.</u><u>.</u><u>.</u><u>☆</u>

_♡_<em>mashi</em>_♡_

7 0
2 years ago
Read 2 more answers
The Sun is only an average sized star. Why does it appear so much brighter than any other star?
aivan3 [116]

Because it's so much closer to us than any other star.

8 0
3 years ago
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