What is the velocity of an object that has a mass of 25.5kilo and a momentum of 1000 kg m/sec?

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

What type of nuclear decay causes the atomic number of an element to increase by 1?