A marble, released from the top of a tall ramp, is a the half-way mark along its path to the floor below. gravitational potential energy
kinetic energy
both types of energy
neither type of energy

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

Which feature of a heating curve indicates a change ofn state