Two families meet at the park at 10: 00am. each family uses a different way of transportation to get there. the gonzalez family leaves at 9: 00am and drives 90 km on a highway. the rivera leave at 9: 30am and ride the train 30km. what is the average speed for each family’s trip? which family travels at the faster speed?

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

In physics the desire of an object to keep doing what it is doing is termed?

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?