A. 2.0N
B. 3.0N
C. 3.5N
D. 7.0N
Correct Answer: Option A
A. 2.0N
Explanation
Upthrust = weight of the liquid displaced
= mass of liquid displaced × acceleration due to gravity
= 200/1000×10
= 2N
![Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]")
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