Asam's job at the amusement park is to slow down and bring to a stop the boats in the log ride. if a boat and its riders have a mass of 1200 kg and the boat drifts in at 1.5 m/s how much work does sam do to stop it? express your answer in joules.

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

The material that keeps its new shape after it is stretched is called?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules