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sweet [91]
2 years ago
12

Write down the principals of them lever in points .​

Physics
1 answer:
Juli2301 [7.4K]2 years ago
6 0

The major principal of leaver is

load × load distance = effort × effort distance

where,

effort dis= distance between effort and fulcrum

load distance = distance between load and fulcrum......

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Write a hypothesis about how the height of the cylinder affects the temperature of the water. Use the "if . . . then . . . becau
AnnyKZ [126]
The statement that can be used to answer this  question is:

"If the cylinder is brought higher then, its temperature when brought down becomes higher because a greater amount of potential energy is converted to thermal energy."

The potential energy is converted to thermal energy when the object is released the velocity becomes higher because of the acceleration due to gravity.
8 0
3 years ago
Read 2 more answers
Can someone pls help, thank you in advance!
zzz [600]

Answer:

  an object sliding down hill

Explanation:

On a slope, the force applied is due to gravity. Its direction is straight down. If the object is sliding down the hill, its displacement is at an angle to the applied force. The angle of displacement will depend on the steepness of the hill.

7 0
3 years ago
Decide whether the attribute describes Earth, Venus, or both Earth and Venus.
masha68 [24]

1). both

2). Venus

3). Venus catastrophically; Earth too but much less.

4). Earth

5). Earth

6). Venus (It would be pretty hard for US to mistake Earth for a star.)


3 0
3 years ago
Read 2 more answers
Suppose a=3i-2j+k b=-i-4j+3k and c is avector lying along positive x axis with the property that a(b+c)=0 then find c?
il63 [147K]

The value of the c will be (0 i+0 j+0 k). c is a vector that is along the positive x-axis and has the condition a(b+c)=0.

<h3>What is a vector?</h3>

A vector is a quantity or phenomena with magnitude and direction that are independent of one another. The phrase also refers to a quantity's mathematical or geometrical representation.

Given ;

a=3i-2j+k

b=-i-4j+3k

Given property:

a(b+c)=0

-i-4j+3k ((-i-4j+3k)+c)=0

(3+8+3)(-i-4j+3k)c=0

14(-i-4j+3k)c=0

c=0 i+0 j+0 k

Hence, the value of the c will be (0 i+0 j+0 k).

To learn more about the vector refer to the link;

brainly.com/question/13322477

#SPJ1

6 0
2 years ago
A 2.0 m length of wire is made by welding the end of a 120 cm long silver wire to the end of an 80 cm long copper wire. Each pie
Levart [38]

<u>Explanation</u>:

Resistivity of silver wire =1.47 e-8 ohm meter

Resistivity of copper wire = 1.72 \mathrm{e}-8 \text { ohm meter }

Resistance = Resistivity *length/cross sectional area

R=\rho_{L / A}

So,

\begin{aligned}&I=A\left(V / P_{A g} L_{A g}+P_{C u} L C_{U}\right)\\&1=8104 \mathrm{A}\end{aligned}

For E calculation

For copper

E = resistivity * current density

E = Resistivity * current/area

E=4.9298 \mathrm{V} / \mathrm{m}

For silver

E=4.213 \mathrm{V} / \mathrm{m}

Potential difference $=E^{*} L$

For silver

Potential difference = 4.213^{*} 1.2=5.055 \mathrm{V}

For copper

Potential difference =3.9438 \mathrm{V}

7 0
3 years ago
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