Alarge celebration in which the host lavished his guests with gifts and provided a large feast is best known as a a. green fire dance b. kachinvaki c. sun dance d. potlatch

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

In a particular chemical reaction, the energy of the reactants is 30 kj and the energy of the products is 5 kj. 
 the maximum energy of the system is 40 kj. sketch a potential energy diagram for this reaction. make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction.