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hodyreva [135]
3 years ago
6

Any 3 differences between telescope and microscope

Physics
1 answer:
Keith_Richards [23]3 years ago
4 0
An instrument used to observe or imagine very small object using an optical mangifier
mirco cell.
Telescope is a magnifer of distance object
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Please check my answers!
Alecsey [184]
A.) The higher the altitude, the colder the climate will be

B.) Areas near the equator have warmer climates than areas for form the equator.

D.) Winds that blow inland from oceans or large lakes contain a lot of water vapor that will cause precipitation.

C.) Monsoons.
8 0
2 years ago
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Which choice correctly ranks these items from smallest to largest?
Vera_Pavlovna [14]

Answer:

your answer is:  electron → carbon atom → quantum dot → E. coli bacteria cell → comma

Explanation:

6 0
3 years ago
A time-varying magnetic field is caused by which of the following?
Anit [1.1K]

A time-varying magnetic field can be caused by fluctuating electric fields.

7 0
3 years ago
Read 2 more answers
You’re speeding at 85 km/hr when you notice that you’re only 10 m behind the car in front of you,
solmaris [256]
Your position in meters will, measured relative to the starting point of the car behind you, be 
x1(t) = 10 + 23.61 t - 1/2 4.2 t^2 
his position will be 
x2(t) = 16.67 t 
Hence at any time the separation s(t) will be 
s(t) = x1(t) - x2(t) = 10 + 6.94 t -2.1 t^2 
Now I assume you mean that you will decelerate UNTIl you are driving at the legal speed limit (60 km/h). That will take you: 
16.67 m/s = 23.61m/s - 4.2 m/s^2 * t 
t = 1.65 seconds 
What is the separation at that time? If it is still greater than zero, there will be no collision: 
s(1.65) = 10 + 6.94 *1.65 -2.1 (1.65)^2 = 15.73 meters. 
Hence you will NOT collide. The 1.65 s you calculated was the time needed to brake to the speed of 60 km/h. 
7 0
3 years ago
If 500 cal of heat are added to a gas, and the gas expands doing 500 J of work on its surroundings, what is the change in the in
poizon [28]

Answer:

The change in the internal energy of the gas 1,595 J

Explanation:

The first law of thermodynamics establishes that in an isolated system energy is neither created nor destroyed, but undergoes transformations; If mechanical work is applied to a system, its internal energy varies; If the system is not isolated, part of the energy is transformed into heat that can leave or enter the system; and finally an isolated system is an adiabatic system (heat can neither enter nor exit, so no heat transfer takes place.)

This is summarized in the expression:

ΔU= Q - W

where the heat absorbed and the work done by the system on the environment are considered positive.

Taking these considerations into account, in this case:

  • Q= 500 cal= 2,092 J (being 1 cal=4.184 J)
  • W=500 J

Replacing:

ΔU= 2,092 J - 500 J

ΔU= 1,592 J  whose closest answer is 1,595 J

<u><em>The change in the internal energy of the gas 1,595 J </em></u>

6 0
3 years ago
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