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marin [14]
3 years ago
14

What is the mirror formula for curved mirrors

Physics
2 answers:
julia-pushkina [17]3 years ago
7 0

Answer:

the answer is c of all the choices

Explanation:

Reika [66]3 years ago
3 0
The mirror formula for curved mirrors is:
\frac{1}{f}= \frac{1}{d_o}+ \frac{1}{d_i}
where
f is the focal length of the mirror
d_o is the distance of the object from the mirror
d_i is the distance of the image from the mirror

The sign convention that should be used in order to find the correct values is the following:
- f: positive if the mirror is concave, negative if the mirror is convex
- d_i: positive if the image is real (located on the same side of the object), negative if it is virtual (located on the opposite side of the mirror)

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How many hydrogens are in 3 molecules of H20?
Mazyrski [523]

Answer:

1 atom of oxygen

2 atoms of hydrogen in each molecule

Each water molecule contains 3 atoms making the H2O formula

3 0
3 years ago
A wave has a wave length of 20mm and a frequency of 5 hertz. What is the speed?
zmey [24]

Speed = (wavelength) x (frequency

Speed = (.020 m) x (5 / sec)

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3 years ago
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Write down applications of mechanics​
harkovskaia [24]

Answer:

Explanation:

applied Mechanics and its Growing Utilisation of Theoretical Mechanics.\

Structural Engineering.

Hydraulics.  

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External Fluid Dynamics.

Planetary Sciences.

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7 0
3 years ago
6.
yaroslaw [1]

Answer:

12 J

Explanation:

From the question given above, the following data were obtained:

Mass (m) = 7.6 kg

Distance (d) = 6 m

Velocity (v) = 5 m/s

Force (F) = 2 N

Workdone (Wd) =.?

Workdone can be defined as the product of force and distance moved in the direction of the force. Mathematically, it is expressed as:

Workdone = Force × distance

Wd = F × d

With the above formula, we can obtain the workdone as follow:

Distance (d) = 6 m

Force (F) = 2 N

Workdone (Wd) =.?

Wd = F × d

Wd = 2 × 6

Wd = 12 J

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6 0
3 years ago
A car start from rest and reached with a speed of 20m/s in 9seconds calculate the acceleration of the car and calculate the disp
Snezhnost [94]

Hi there!

Acceleration:

a = Δv / Δt, so:

a = 20/9 ≈ 2.22 m/s²

Displacement:

We can use the equation Δd = v₀t + 1/2at² to solve. (Initial velocity is 0).

Δd = 1/2at²

Plug in the acceleration and time:

Δd = 1/2(2.22)(9)² ≈ 89.91 m

5 0
3 years ago
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