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VMariaS [17]
3 years ago
12

An object is 3.0 cm from a concave mirror, with a focal length of 1.5 cm. Calculate the image distance. Remember to include your

data, equation, and work when solving this problem.
Physics
1 answer:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

Construct a quadrilateral ABCD, where

Construct a quadrilateral ABCD, whereAB = 4 cm, BC = 5 cm, CD = 6.5 cm and angle B = 105° and angle C = 80°

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A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how
Eduardwww [97]
Here's a fun and useful factoid:

               The ratio of the voltages on a transformer is the same
               as the ratio of the number of turns in each winding.

So the ratio of  (345 to the secondary turns)  is  (115V to 24V).

That's a proportion.

                 (115/24)  =  (345/x)

I'll bet you can take it and solve it from here.
Just cross-multiply in the proportion and etc. etc.
6 0
3 years ago
What mass of electrons would be required to just neutralize the charge of 5.0 g of protons? (the mass of a proton is 1.67262×10−
Step2247 [10]
<span>To  neutralize the charge of 1.0g of electrons?</span>
7 0
3 years ago
Read 2 more answers
How can you use the volume of some quantity of a pure substance to calculate its mass
dangina [55]
Firstly, you must identify the pure substance first. Then, from a reliable source obtain its density. Density is calculated through the equation,
                                   
                                  density = mass / volume

From this equation, the volume can be calculated.
                                  
                                   volume = mass / density

3 0
3 years ago
What do we mean by a penetrative pass in the game of football?​
Ivanshal [37]

Answer:

Penetration means forward passes can go through the opposition lines. Once these penetrative passes get through each line, it eliminates the line of players it broke through and leaves the player in possession closer to the opposition goal.

Explanation:

6 0
3 years ago
The feeling of weightlessness occurs because _____________________.
lbvjy [14]

Answer:

The feeling of weight is one of compression.

Explanation:

All your body is being pulled down by gravity yet your feet ( if standing) or your back or something is holding you up.  

Your body is compressed by the PAIR of forces and it is that compression that you feel.  

So when you remove the supporting force then all the body is free to move together and there is no compression within you.  

Hence you perceive no weight.

8 0
3 years ago
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