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Dima020 [189]
3 years ago
14

Batteries transform ______________ energy into mechanical energy.

Physics
2 answers:
alukav5142 [94]3 years ago
6 0
1. kinetic
2. not sure i think its a circut braker
3. no idea
4. i think a conductor
5. no idea
morpeh [17]3 years ago
3 0
Batteries transform "Chemical" <span>energy into mechanical energy.

A circuit breaker </span><span>of a circuit in a home is designed to be replaced if it stops a circuit overload

An Electrostatic force</span><span> causes the leaves in an electroscope to separate according to the law of charges. 

</span><span>A material that conducts under certain conditions but acts as a resistor under other conditions is known as a "Semiconductor"

</span><span>Laser printers are one application of Static Electricity.
</span><span>
[bold letters are your answers]!
Hope this helps!



</span>
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Inga [223]

Answer:

Iris

Explanation:

The iris seems to be the illuminated portion of the eyes which really covers the pupil. It controls the amount of light reaching the eye. The lens is indeed a translucent layer of the retina that serves to concentrate light and objects on the lens.

7 0
3 years ago
A racecar begins at rest and accelerates to 25 m/s at a rate of 6.25 m/s2. What distance does the racecar cover?
Vitek1552 [10]

Answer:

d.

50 m

Explanation:

v² = u² + 2as

s = (v² - u²) / 2a

s =(25² - 0²) / (2(6.25))

s = 50 m

7 0
3 years ago
After the double-blind review policy was instituted, what percentage of published papers had a male first author?
Arte-miy333 [17]

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Explanation:

4 0
3 years ago
Which of the following statements is an accurate description of sound transmission through various mediums?
klio [65]
The answer is D. Sound insulators prevent sound from being transmitted better than elastic solids because sound insulators basically muffle and block the sound waves.

5 0
3 years ago
Read 2 more answers
A 4.0-kg object is supported by an aluminum wire of length 2.0 m and diameter 2.0 mm. How much will the wire stretch?
forsale [732]

Answer:

The extension of the wire is 0.362 mm.

Explanation:

Given;

mass of the object, m = 4.0 kg

length of the aluminum wire, L = 2.0 m

diameter of the wire, d = 2.0 mm

radius of the wire, r = d/2 = 1.0 mm = 0.001 m

The area of the wire is given by;

A = πr²

A = π(0.001)² = 3.142 x 10⁻⁶ m²

The downward force of the object on the wire is given by;

F = mg

F = 4 x 9.8 = 39.2 N

The Young's modulus of aluminum is given by;

Y = \frac{stress}{strain}\\\\Y = \frac{F/A}{e/L}\\\\Y = \frac{FL}{Ae} \\\\e = \frac{FL}{AY}

Where;

Young's modulus of elasticity of aluminum = 69 x 10⁹ N/m²

e = \frac{FL}{AY} \\\\e = \frac{(39.2)(2)}{(3.142*10^{-6})(69*10^9)} \\\\e = 0.000362 \ m\\\\e = 0.362 \ mm

Therefore, the extension of the wire is 0.362 mm.

8 0
3 years ago
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