A liter of water is heated to 80 degrees. At that point, the heat is turned down but continues to add heat to the water. The burner is adding 50 calories of heat each minute to the water, but the temperature remains at 80 degrees. What must be happening?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

The great sandini is a 60.0-kg circus performer who is shot from a cannon (actually a spring gun). you don’t find many men of his caliber, so you him design a new gun. this new gun has a very large spring with a very small mass and a force constant of 1100 n/m that he will compress with a force of 4400 n. the inside of the gun barrel is coated with teflon, so the average friction force will be only 40.0 n during the 4.00 m he moves in the barrel. at what speed will he emerge from the end of the barrel, 2.50 m above his initial rest position?