Lions can run at speeds up to approximately 80.0 km/h. A hungry 145-kg lion running northward at top speed attacks and holds onto a 24.0-kg Thomson's gazelle running eastward at 60.0 km/h. 1) Find the speed of the lion-gazelle system just after the lion attacks. (Express your answer to three significant figures.)

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

Which levels of government establish and implement educational requirements for minors