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3 years ago

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ira [324]3 years ago

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Numberrrr 1 Inertiaaaaa

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Using a series circuit, remove one battery from the circuit by re-wiring. How did it change the brightness of the bulbs? How doe

morpeh [17]

The higher the voltage in series, the brighter the bulb gets. so removing one battery from the circuit causes a reduction in the brightness of the bulb.
hope this helps

8 0

3 years ago

C. Describe how a manometer could be used to find the pressure of the laboratory gas supply.

soldier1979 [14.2K]

Answer:

A manometer is a device similar to a barometer that can be used to measure the pressure of a gas trapped in a container. A closed-end manometer is a U-shaped tube with one closed arm, one arm that connects to the gas to be measured, and a nonvolatile liquid (usually mercury) in between.

Explanation:

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2 years ago

Read 2 more answers

Which factors affect the strength of the electric force between two objects

iris [78.8K]

By definition, the electric force is given by:

$f = k * \frac{q1q2}{d ^ 2}$

Where,

q1: electric charge of object number 1.

q2: electric charge of object number 2.

d: distance between both objects

k: proportionality constant

Therefore, the magnitude of the electric force is affected by:

1) The product of the charges of the objects

2) The distance between objects

Answer:

The factors that affect strength of the electric force between two objects are:

1) The product of the charges of the objects

2) The distance between objects

5 0

4 years ago

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A point on a wheel of radius 40 cm that is rotating at a constant 5.0 revolutions per second is located 0.20 m from the axis of

Margarita [4]

Answer:

$197.2 m/s^2$

Explanation:

The centripetal acceleration of a point moving by circular motion is given by:

$a=\omega^2 r$

where

$\omega$ is the angular velocity

r is the distance from the axis of rotation

The point on the wheel makes 5.0 revolutions per second, so the frequency is

$f=\frac{5}{1}=5 Hz$

and the angular velocity is

$\omega=2\pi f = 2\pi (5)=31.4 rad/s$

While the distance of the point from the axis of rotation is

$r=0.20 m$

Substituting, we find the acceleration:

$a=(31.4)^2(0.20)=197.2 m/s^2$

5 0

3 years ago

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2. An object is dropped from rest. Calculate its velocity after 2.5s if it is dropped:

Alekssandra [29.7K]

Answer:

a=24.5 b=9.5

Explanation:

7 0

3 years ago