Who else watched the 2016 world series and became a cubs fan for life

Physics

1 answer:

balandron [24]3 years ago

8 0

Answer:

Sheeeeeeeeeeeeesh

Explanation:

naw not really ФωФ

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How does increasing the electric current affect the strength of an electromagnet ?

sergejj [24]

Answer:

The strength of the magnetic field of an electromagnet increases when the current is increased .

7 0

3 years ago

Sir Percival and his horse are standing still on a field of honor when Sir Rodney, atop his steed gallops by with a constant vel

Ludmilka [50]

Answer:

d. none of these

Explanation:

From the given information:

Let assume that Percival catches Sir Rodney's horse in time "t" after covering a certain distance "s"

Then, using the second equation of motion:

$S = ut + \dfrac{1}{2}at^2$

FOR Percival, we have:

$S = (0\times t ) + \dfrac{1}{2} \times 0.6 \ m/s \times t^2 \\ \\ S = 0.3 \ m/s \times t^2 -- -- (1)$

FOR Sir Rodney;

$S = ut + \dfrac{1}{2}at^2$

$S = (3\times t ) + \dfrac{1}{2} \times 0 \times t^2 \\ \\ S =3t--- (2)$

Equating both equations together; we have:

0.3t² = 3t

0.3t² - 3t = 0

0.3t(t - 10) = 0

If Percival's position at rest = 0

Then; t = 10 s.

8 0

3 years ago

What happens when the wire in an electromagnet is wrapped around a soft iron core?

Pavlova-9 [17]

The magnetic particles in a soft iron nail will line up with the magnetic field when the current is switched on. ... When you switch on the current, the coil becomes an electromagnet. But also, the soft iron core becomes a magnet. It will add to the strength of the electromagnet.

4 0

3 years ago

A blue car with mass mc = 427 kg is moving east with a speed of vc = 20 m/s and collides with a purple truck with mass mt = 1282

polet [3.4K]

Answer:8540 kg-g/s

Explanation:

Given

mass of blue car $m_c=427 kg$