A biologist measures the speed of a paramecium as it moves across a microscope slide. It travels 1.2 inches in 3.25 seconds. The biologist wishes to compare the speed of the paramecium with the speeds of other animals, but the speeds of other animals are listed in metric units of m/s and km/hr. What is the speed of the paramecium in both m/s and km/hr? Show all work and use appropriate significant figures. (inch = 2.54 cm)

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus

What is an electric motor? explain its operation. 2-3 sentence