Atrain slows down from 34 m/s to 4 m/s in 60 seconds. what is it's acceleration?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

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.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of