8. A cart was pulled for a distance of 1 kilometer The amount of work accomplished equaled 40,000 joules. With what force was the work accomplished?

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

Who was the first scientist to measure speed as distance over time?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value