A) I-70 is building a new curved exit. It will be banked so that cars can exit the highway at 45 mph (20.1 m/s). The radius allotted for this curve is 65 m. At what angle should the curve be banked if there is no friction? b) If the coefficient of friction between the tires and the road is 1.2, how fast can a car take the curve?

An explanation would be helpful:)

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.

What determines the amount of inertia an object has

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o