What advantage does hovercraft have over a boar or a road vehicle?​

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

What properties of a moving object are used in determining the object's energy of motion

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)