Which of the following are examples of circular motion? a. roller skating down a hill. b. a race car going around a rounded curve in the road. c. earth going around the sun. d. the path of a soccer ball rolling on the ground. e. a basketball falling toward the hoop after being thrown.

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.

Which model displays the change in a gas when the temperature of the gaseous system decreases?