Awell-greased, essentially frictionless, metal bowl has the shape of a hemisphere of radius 0.150 m. you place a pat of butter of mass 5.00ã10â3kg at the rim of the bowl and let it slide to the bottom of the bowl. what is the speed of the pat of butter when it reaches the bottom of the bowl?

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?