Instantaneous speed is measured
a. when the object reaches its destination.
b. over the duration of the trip.
c. at a particular instant.
d. at the starting point.

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

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.