2 years ago

Which of the following statements is FALSE?

Physics

2 answers:

forsale [732]2 years ago

6 0

Answer:

Explanation:

this is false as heat always moves form a warm place to a cool place not the other way around

m_a_m_a [10]2 years ago

5 0

D because heat doesn’t move to warm places it makes things or places warm

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A sinusoidal traveling wave is generated on a string by an oscillating source that completes 116 cycles per minute. What is the

slava [35]

Answer:

$\lambda =6.32\ cm$

Explanation:

given,

number of cycle complete (f) = 116 cycles per minute

wavelength observed at 11 m in 1.5 m.

$v = \dfrac{distance}{time}$

$v = \dfrac{11}{1.5}$

v = 7.33 m/s

$\lambda = \dfrac{v}{f}$

$\lambda = \dfrac{7.33}{116}$

$\lambda =0.0632\ m$

$\lambda =6.32\ cm$

The wavelength of the wave is equal to $\lambda =6.32\ cm$

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3 years ago

Which of the following is not in the form of waves?

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3 years ago

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What is the first time at which the kinetic energy is twice the potential energy?

Pavlova-9 [17]

Answer:

When the tangent of the cyclic frequency and time will be equal √2

Explanation:

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3 years ago

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serious [3.7K]

Answer:

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3 years ago

A double insulated drill ____. A. has two ground wires to insure proper grounding B. generally has a plastic case with the elect

Len [333]

Answer:

Option B is correct.

A double insulated drill generally has a plastic case with the electrical connections and motor insulated within the tool

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A double insulated drill's design in real life has plastic casing as the insulator & it wouldn't be a drill without its motor now, would it!?

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3 years ago