If we discover a new planet in our solar system with a period of 10900.0 years, how far is the planet from the Sun in AU

Rohit is trying to tune an instrument

If forces acting on an object are unbalanced. true or false

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.