When did the united states pass the act that western square dance was the national folk dance

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?

Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: