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Lera25 [3.4K]
3 years ago
5

Which vector best represents the net force acting on the +3 C charge

Physics
1 answer:
adelina 88 [10]3 years ago
7 0
Vector ' W ' best and there ya go
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RP 1 - Specific Heat Capacity GCSE Exam Questions (B.S.G)
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When the temperature of 0.50 kg of water decreases by 22 °C, the energy transferred to the surroundings from the water is -46.2 kJ.

A sample of 0.50 kg of water boils (reaches 100 °C). After a while, its temperature decreases by 22 °C.

We can calculate the energy transferred to the surroundings from the water in the form of heat (Q) using the following expression.

Q = c \times m \times \Delta T = \frac{4200J}{kg.\° C}  \times 0.50kg \times (-22\° C) \times \frac{1kJ}{1000J} = -46.2 kJ

where,

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  • m: mass of water
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When the temperature of 0.50 kg of water decreases by 22 °C, the energy transferred to the surroundings from the water is -46.2 kJ.

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