4. Lead has a density of 11.5g/cm3. A rectangular block of lead measures 7cm ×5cm×2cm. a) Find the volume of the block of lead.
b) Find the mass of the block of lead

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

What will a positive and a negative charge do if they are separated from each other?

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is