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BigorU [14]
3 years ago
13

If you use a 40x objective to magnify a slide, the image you see through the eyepiece will be magnified how much times?

Physics
1 answer:
sammy [17]3 years ago
8 0
4x time 10x (I think)


Here, this will help-
http://www.cas.miamioh.edu/mbiws/microscopes/Magnification.html#totalmagnification

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How do objects at rest and in motion respond in the presence of an external, unbalanced force?
koban [17]

Explanation:

Objects at rest and in motion respond to the presence of an external unbalanced force by simple changing their magnitude of motion or position.

We have this knowledge from Newtons first law of motion "a body will remain in a state of rest or continue with uniform motion unless if it is acted upon by an external force".

  • When an external force acts on a body at rest, it will change the position of the body or set it motion.
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3 years ago
Why can gases and liquids both transmit heat by convection?
defon

Answer:

A. Their particles are free to move away from each other.

Explanation:

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What would the electrostatic force be for two 0.005C charges 50m apart?
irakobra [83]

Answer:

90 N

Explanation:

The electrostatic force between two charges is given by:

F=k\frac{q_1 q_2}{r^2}

where

k is the Coulomb's constant

q1, q2 are the two charges

r is the separation between the charges

In this problem we have

q1 = q2 = 0.005 C

r = 50 m

So the electrostatic force is

F=(9\cdot 10^9 N m^2 C^{-2})\frac{(0.005 C)^2}{(50 m)^2}=90 N

3 0
3 years ago
If a bag of pretzels says it contains 10 servings, and each serving is 150 calories, how many calories would you consume if you
Sindrei [870]

Answer:

5400

Explanation:

i calculated it

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8 0
3 years ago
A light spring has a force constant of 70 N/m and is used to pull a 10 kg box on a horizontal frictionless surface. If the box h
Sergio039 [100]

Answer:

82.4 cm

Explanation:

∑F = ma

kx cos θ = ma

x = ma / (k cos θ)

x = (10 kg) (5 m/s²) / (70 N/m cos 30.0°)

x = 0.824 m

x = 82.4 cm

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3 years ago
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