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2 years ago

When your body is warmed by an electric blanket during the winter, this process is said to be

2 answers:

8 0

The correct answer would be A. endothermic because endothermic is-<span>(of a reaction or process) accompanied by or requiring the absorption of heat. Hope this helps!:) If you need any more just tag me.

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Ad libitum [116K]2 years ago

3 0

Explanation :

When your body is warmed by an electric blanket during the winter, this process is said to be an endothermic process. This is because in this process, the heat is absorbed from the blanket and it does not allow to pass out from it.

In the exothermic process, the heat is released in the surrounding.

In the isothermic process, the temperature remains the same.

Hence, the correct option is (A) "endothermic process".

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Answer:

$40

Explanation:

10 × 4 = 40

10 + 10 + 10 + 10 = 40

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2 years ago

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A sound wave is called a longitudinal wave because compressions and rarefactions in the air produce it. The air particles vibrate parallel to the direction of propagation.

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2 years ago

A _______ property of gasoline is that it will _______ in air.

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2 years ago

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A diver can change his rotational inertia by drawing his arms andlegs close to his body in the tuck position. After he leaves th

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Answer:

3.14946 rad/s

Explanation:

$I_i$ = Intial moment of inertia

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$\dfrac{I_f}{I_i}=\dfrac{1}{3}$

In this system the angular momentum is conserved

$L_i=L_f\\\Rightarrow I_i\omega_i=I_f\omega_f\\\Rightarrow \omega_i=\dfrac{I_f\omega_f}{I_i}\\\Rightarrow \omega_i=\dfrac{1\times \dfrac{2}{1.33}\times 2\pi}{3}\\\Rightarrow \omega_i=3.14946\ rad/s$

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2 years ago

Why do we say that a spring is elastic? Why do we say that a spring is elastic? It does not obey Hooke's law. When deformed, it

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Answer:

When deformed, it returns to its original shape

Explanation:

A spring is elastic.
Elasticity is the property of a material to regain its shape after having been deformed.
It means that when the force is doubled, the amount of deformation in it gets doubled.
Hence, the correct option is (b) " When deformed, it returns to its original shape".

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2 years ago