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Nimfa-mama [501]
3 years ago
5

The ability of a material to transfer heat or electric current is called

Physics
2 answers:
aleksandrvk [35]3 years ago
8 0
I believe that the most likely answer is conductivity.
Anika [276]3 years ago
8 0
The answer is conductivity
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crimeas [40]
It is situated in period number 1.
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Driving at a safe speed is particularly important because kinetic energy __________.
oksian1 [2.3K]
The correct answer is
<span>b. increases with the square of speed

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3 years ago
What does the graph to the right represent?
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4 0
4 years ago
Read 2 more answers
Josh starts his sled at the top of a 2.9-m-high hill that has a constant slope of 25∘. After reaching the bottom, he slides acro
algol13

Answer:

S=48.29 m

Explanation:

Given that the height of the hill h = 2.9 m

Coefficient of kinetic friction between his sled and the snow μ = 0.08

Let u be the speed of the skier at the bottom of the hill.

By applying conservation of energy at the top and bottom of the inclined plane we get.

Potential Energy=kinetic Energy

mgh = (1/2) mu²

u² = 2gh

u²=2(9.81)(2.9)

   =56.89

u=7.54 m/s

a = - f / m

a = - μ*m*g / m

a = - μg

From equation of motion

v²- u² = 2 -μ g S

v=0 m/s

-(7.54)²=-2(0.06)(9.81)S

S=48.29 m

3 0
3 years ago
The graph shows a car's velocity over time.
OleMash [197]

Answer:

A

Explanation:

It starts from 60 and 50

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