Match the following terms,

Physics

1 answer:

stiv31 [10]3 years ago

6 0

Answer:

1. heat engine ~~ •a machine that converts the internal energy of a fuel into mechanical energy.

2. heat pump ~~ •an appliance that extracts heat energy from one source and deposits it

elsewhere.

3. Boiler ~~ •a heating appliance that uses heat energy released from fossil fuels to warm water for use in radiant or

convection heating systems.

4. Thermostat ~~ •an appliance that controls the maintenance temperature of a heating

system

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84%

Explanation:

g = Acceleration due to gravity = 9.81 m/s²

$y_0=1\ m$

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t = Time taken

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$A_0=\pi 1.5^2$

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$y=y_0+ut+\dfrac{1}{2}gt^2\\\Rightarrow 0=y_0-\dfrac{1}{2}gt^2\\\Rightarrow t=\sqrt{\dfrac{2y_0}{g}}\\\Rightarrow t=\sqrt{\dfrac{2\times 1}{9.81}}\\\Rightarrow t=0.45152\ s$