This force is also called the net force. it is the force that accelerates an object. what is it?

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

The substances that are necessary for producing of certain hormones and that store and transport vitamins