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Gnesinka [82]
3 years ago
9

When adding vectors, the shortest path from the origin to the end of the last vector

Physics
1 answer:
skelet666 [1.2K]3 years ago
8 0
in geometry and mechanics, a displacement is a vector whose length is the shortest distance.
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Edward travels 150 kilometers due west and then 200 kilometers in a direction 60° north of west. What is his displacement in the
lions [1.4K]
     We must decompose the displacement vector to find the new displacement to the west.

d_{x}=v.cos\O \\ d_{x}=200. \frac{1}{2}  \\ d_{x}=100km
  
     Adding all displacements to West, It comes:

\Delta S= d_{o}+d_{x} \\ \Delta S= 150+100 \\ \boxed {\Delta S= 250 km}

If you notice any mistake in English, please let me know, because I'm not native.

8 0
3 years ago
Which form can solutions come in?<br><br> liquid<br><br> gas<br><br> solid<br><br> all of the above
Vadim26 [7]

Answer:

liquid

Explanation:

leave a thanks if helped  !

8 0
2 years ago
A piece of soft iron is placed in a solenoid increasing the magnetic field in an arrangement that can be switched on and off. Su
larisa [96]

<u>Question:</u>

A piece of soft iron is placed in a solenoid increasing the magnetic field in an arrangement that can be switched on and off. Such a device is called

Answer

a hysteresis loop.

an electrosolenoid.

a permanent magnet.

a ferromagnet.

an electromagnet

<u>Answer:</u>

A piece of soft iron is placed in a solenoid increasing the magnetic field in an arrangement that can be switched on and off. Such a device is called an electromagnet.

<u>Explanation:</u>

When a magnet is processed by supplying electricity than it is called as electromagnet and therefore its strength can be fluctuated as dependent on amount of electricity supplied.

Here, when a iron piece is moved closer to a long coil of wire named solenoid physical interaction named electromagnetic force take place between two electrically charged particles.

This force is supplied by electromagnetic fields constructed from electric and magnetic field. This is also called as Lorentz force constituted from both electricity and magnetism. This property itself gives evidence of characteristics of material used for electromagnetism.

7 0
3 years ago
You throw a bouncy rubber ball and a wet lump of clay, both of mass m, at a wall. Both strike the wall at speed v, but while the
nadezda [96]

Your answer


<h2>-mv; -2mv</h2>

Good luck!

6 0
3 years ago
Read 2 more answers
A car is traveling at a speed of 54 km/h. Breaks are applied so as to produce a uniform acceleration of -0.5 m/s2. Find how far
Lena [83]

Explanation:

u=54 km/h

54*5/18=15 m/s

v=0m/s

t=?

acceleration=-0.5m/s^2

we know that a=v-u/t

so,

t=v-u/a

t=15-0/0.5

=15/0.5

=30

therefore, the time is 30 second

Hope this answer helps you..

8 0
3 years ago
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