a cube of metal of side 10cm is fully immersed in a liquid of relative density 0.8. Calculate the upthrust experienced by the body where density of water is 1.0×10³Kg/m³ and g= 10m/s²​

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Ineed the answer to question 1 , i’m desperate

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?