One day little taehyung found a block of iron, he found out that it's density is 7.8g/cm^3 ,he goes running to RM and Jin and asks what is the mass of 5cm^3 of it is. but RM lost his son koya so he didn't have time to answer, and Jin was eating,
Can you help little taehyung ?
Pleaasse??

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

The speed of light can be used to measure the

If a rock weighing 54 n is submerged in a liquid with a density exactly twice that of water, what will be its new apparent weight reading in the liquid?