An automobile with an initial speed of 4.92 m/s accelerates uniformly at the rate of 3.2 m/s2 . find the final speed of the car after 4.5 s. answer in units of m/s. 008 (part 2 of 2) 10.0 points find the displacement of the car after 4.5 s.

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.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?