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Aleksandr-060686 [28]
3 years ago
13

CI. Design challenge: Your goal is to build a compound microscope than can at least double the size of the object. We will const

rain ourselves to values that will work later in a simulation, which has the unrealistic- for microscopes - focal lengths in meters. (Imagine instead that those values are in cm) You need to choose two converging lenses. You have available lenses with focal lengths of 2, 4, 8 and 12 m. First choose an objective lens focal length, and a distance to place the object from the lens. Then choose an eyepiece lens focal length and a distance to place the lens from the objective lens. C2. Draw your microscope design including a ray diagram. Your diagram should include: 1. Location and properties (real/virtual, upright/inverted, bigger/smaller) of the image formed by the objective. 2. Location and properties (real/virtual, upright/inverted, bigger/smaller) of the image formed by the eyepiece. C3. Calculate the magnification of your microscope

Physics
1 answer:
lilavasa [31]3 years ago
6 0

Answer:

2. 17.7cm

3. -7 that is magnification

Explanation:

See attached handwritten document

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Two particles, one with charge −7.97×10−6 C and the other with charge 6.91×10−6 C, are 0.0359 m apart. What is the magnitude of
kolbaska11 [484]

Answer:

-384.22N

Explanation:

From Coulomb's law;

F= Kq1q2/r^2

Where;

K= constant of Coulomb's law = 9 ×10^9 Nm^2C-2

q1 and q2 = magnitudes of the both charges

r= distance of separation

F= 9 ×10^9 × −7.97×10^−6 × 6.91×10^−6/(0.0359)^2

F= -495.65 × 10^-3/ 1.29 × 10^-3

F= -384.22N

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2 years ago
With a 900 V source, voltage is divided across 3 series resistors of 300 V, 280 V, and:
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2 years ago
Why do you think the carbon dioxide measurements have increased so much in the last 100 years or so?
Travka [436]

Answer:

Explanation:

Carbon Dioxide has increased in the last 100 years because we’ve been told it has. We don’t know via our own senses of course, so we just have to accept that it has. I personally don’t know how CO2 levels are measured since different parts of the world have different levels of CO2. For instance, the Pacific Ocean which occupies 30% of the entire planet has no trees or green plants at all and therefore absorbs only small amounts of CO2.

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3 years ago
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Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesi
Paraphin [41]

Answer:

If air in a pump is squeezed more, then the air gets hotter because energy is added to it.

Explanation:

A hypothesis is a simple scientific guess that can be investigated. It usually adopts the if -then and because approach to relate variables to the expect output.

The most fitting statement of hypothesis that can be investigated is that "If air in a pump is squeezed more, then the air gets hotter because energy is added to it".

We can find the volume of the air, the pressure of the pump and temperature and discern their relationships.

Based on the kinetic theory, pressure causes increasing collisions between particles and hereby, a gas will be hotter.

3 0
2 years ago
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What types of natural phenomena could serve as time standards?
Delvig [45]

Answer: The rising and setting of the Sun.

The appearance and disappearance of the Moon.

Changes in season.

Appearance and disappearance of the Stars.

Explanation: The rising and setting of the Sun helps can be used as a standard to determine time since the rissing and setting of the Sun occurs at similar time and interval in a given geographical ocation.

The appearance and disappearance of the Moon which occurs during the night and early hours of the morning is similar in a given geographical locationation so it can be used as a standard for Time.

Change in season is another natural phenomenon which occurs at similar times in a given geographical location like Winter/summer, rainy/dry etc can be used as standards for time.

The appearance and disappearance of the Stars can also b used as standards for time in a given geographical location.

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