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Tpy6a [65]
3 years ago
13

A microscope that uses light and more than one lens

Physics
2 answers:
ale4655 [162]3 years ago
5 0
A microscope that uses light and more than one lens are use to view cells because the light causes no harm to the cells and is able to see and differ the different cells which the naked eye cannot see
gulaghasi [49]3 years ago
4 0
A compound optical microscope or just a optical microscope is a microscope that uses light and has more than one lens.
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A car moving with an intial velocity of 60m/s is brought to rest in 30 seconds calculate the acceleration
gregori [183]

Answer:

a = 2 [m/s^2]

Explanation:

To solve this problem we must use the expressions of kinematics, we must bear in mind that when a body is at rest its velocity is zero.

v_{f} = v_{i} - (a*t)

where:

Vf = final velocity = 0

Vi = initial velocity = 60 [m/s]

a = desacceleration [m/s^2]

t = time = 30 [s]

Note: the negative sign of the above equation means that the car is slowing down, i.e. its speed decreases.

0 = 60 - (a*30)

a = 2 [m/s^2]

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What is the momentum of an object at rest, in m/s?
Zina [86]

Momentum = (mass) x (speed)

If the speed is zero, then the momentum is zero.

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3 years ago
The property of matter that resists changes in motion is called...
arlik [135]

Answer:

inertia

Explanation:

i hade the same question

4 0
2 years ago
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Tpy6a [65]

Answer:

that technician A is right

Explanation:

The test lights are generally small bulbs that are turned on by the voltage and current flowing through the circuit in analog circuits, these two values ​​are high and can light the bulb. In digital circuits the current is very small in the order of milliamps, so there is not enough power to turn on these lights.

From the above it is seen that technician A is right

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