Pls help . Solve the eguation 4*=28.  change 1/20 to decimal  change 60% to a common fraction . Pls i need the solving thank you
What is the kinestic energy of a bullet of 22kg fire from a gun with a speed of 6m`s
Estimate the rise in temperature of the brake discs in a car of mass 1200g,travelling at 30m/s which is brought to rest by the application of the brakes alone,the brake disc have a total mass of 5kg.Assummed that there is no heat loss and that the material of the 4 brake disc ...
Hot water of mass 80g, at a temperature of 100degree celcius is pourd into 30g of water at 30degree celcius. Assuming that no heat is lost, calculate the final temperature
How many of grams of aluminum would be produced from the decomposition of 21.0 g of Al2O3