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Varvara68 [4.7K]
3 years ago
9

Define thermopile and peltiers??​

Physics
1 answer:
NikAS [45]3 years ago
3 0

Answer:

Thermopile is an electronic device that converts thermal energy into electrical energy.

A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.

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Answer: 2.67 m/s

Explanation:

Given

Mass of block A  is m_a=2\ kg

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The initial velocity of block A u_a=5\ m/s

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After collision velocity of block A is v_a=1\ m/s

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m_au_a+m_bu_b=m_av_a+m_bv_b\\\\2\times 5+3\times0=2\times 1+3\times v_b\\\\v_b=\dfrac{8}{3}=2.67\ m/s

The momentum of block A after the collision is P_a=2\times 1=2\ kg.m/s

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