What are sources of energy loss in a roller coaster? (Other than friction)

An 8.5 g ice cube is placed into 255 g of water. Calculate the temperature change in the water upon the complete melting of the ice. Assume that all of the energy required to melt the ice comes from the water.

Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. What is the magnitude of his total displacement during this walk, in meters?

Which statement best describes the direction of the buoyant force on any object? A. opposite the force of gravity B. in the same direction as the weight C. in the direction of motion of the object D. opposite the direction of motion of the object

Steam enters a long, horizontal pipe with an inlet diameter of D1 = 16 cm at 2 MPa and 300°C with a velocity of 2.5 m/s. Farther downstream, the conditions are 1.8 MPa and 250°C, and the diameter is D2 = 14 cm.

In 20 minutes, kara ran 2.40 km on a treadmill facing due east. relative to the gym, what were her displacement and average velocity during this time interval?

If an object experiences a leftward net force, then it will accelerate in which direction? rightward leftward there will be no acceleration

To calculate the ideal mechanical advantage of a lever divide the input arm by the

An ionic compound is a compound that consists of molecules made of atoms that are covalently bonded. True or False?

What is the term for the flow of electric charge

Relation between wavelength wave velocity and time period