Natalia lifts a bag of groceries 0.50 m by exerting a force of 36 N. How much work did she do on the bag?

Mechanical waves, such as sound waves, travel fastest in what medium?

A child on a playground swing makes a complete to-and-fro swing each two seconds. the frequency of the swing is

Which one of these is a natural factor that effects the environment? A. domestication B. oxygen C. research D. factories

Which of the following would have the most potential energy? A. a car moving along a flat road at 60 mph В. a rollercoaster that is at the bottom of a hill C. a ball rolling on a flat surface D. a rock sitting on the edge of a cliff

A 75-n sack is dragged along the floor with a horizontal force of 100 n. the frictional force acting on the sack is 30 n. what is the value of the fg?

What is a carbon whip?

2 A scientific theory is

Explain the roles of Earth's own energy sources and solar energy in the rock cycle

In order to merge into highway traffic, a car accelerates along a 100.0 m on ramp from rest to 25.0 m/s. How much time does this take?

Muscle control is the ability to quickly change directions and make complex movements