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Hatshy [7]
4 years ago
9

HELP PLEASE!! what will happen if you add a stronger battery to an electromagnet?? ​

Physics
1 answer:
Gala2k [10]4 years ago
6 0

The electromagnetic force will be stronger since the electromagnet get it's force from the battery.

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An optical telescope is an instrument that collects and _____.
tresset_1 [31]
An optical telescope is an instrument that collects and enlarges objects from a distance. Hope this helps. Hope this helps. (∩︵∩)
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4 0
4 years ago
Un objeto de 0.5kg de masa se desplaza a lo largo de una trayectoria rectilínea con aceleración constante de 0.3m/s2. Si partió
den301095 [7]

Answer:

p = 1.2 kg-m/s

Explanation:

The question is, "An object of mass 0.5kg is moving along a rectilinear path with constant acceleration of 0.3m / s2. If it started from rest and the magnitude of its momentum in kg * m / s after 8s is".

Mass of the object, m = 0.5 kg

Acceleration of the object, a = 0.3 m/s²

We need to find the momentum after 8 seconds.

We know that,

p=F\times t

i.e.

p = mat

So,

p=0.5\times 0.3\times 8\\\\p=1.2\ kg-m/s

So, the momentum of the object is 1.2 kg-m/s.

6 0
3 years ago
How much work is done (by a battery, generator, or some other source of potential difference) in moving Avogadro's number of ele
konstantin123 [22]

Answer:

-1486 KJ

Explanation:

The work done by an electric field on a charged body is:

W = ΔV * q

where ΔV = change in voltage

q = total charge

The total charge of Avogadro's number of electrons is:

6.0221409 * 10^(23) * -1.6023 * 10^(-19) = -9.65 * 10^(4)

The change in voltage, ΔV, is:

9.20 - (6.90) = 15.4

Therefore, the work done is:

W = -9.65 * 10^(4) * 15.4 = -1.486 * 10^6 J = -1486 KJ

The negative sign means that the motion of the electrons is opposite the electrostatic force.

5 0
3 years ago
A copper sphere was moving at 25 m/s when it hit another object. This caused all of the KE to be converted into thermal energy f
Verdich [7]

Answer:

\Delta T = 0.81 ^oC

Explanation:

As we know by energy conservation

All its kinetic energy will convert into thermal energy to raise its temperature

\frac{1}{2}mv^2 = ms\Delta T

now divide both sides by mass of the object

\frac{1}{2}v^2 = s\Delta T

so change in temperature is given as

\Delta T = \frac{v^2}{2s}

\Delta T = \frac{25^2}{2\times 387}

\Delta T = 0.81^oC

3 0
3 years ago
A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting posit
JulsSmile [24]

Answer:

Zero

Explanation:

Average velocity is given by:

v=\frac{d}{t}

where

d is the displacement of the trip

t is the time it takes for the trip to complete

In this problem, the net displacement of the swimmer is zero. In fact:

- First, he swims 30.0 m in the north direction

- Then, he travels back (-30.0 m) in the south direction, to the starting position

Since the final position is equal to the starting position, the displacement is zero:

d = 0

And therefore, the average velocity is also zero.

8 0
4 years ago
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