A girl drops a rock 30 meters and measures the time of the drop at 4.02 seconds. What is the value of the gravitational acceleration on her new planet?

Which of the following could you do to increase the strength of an electromagnet? decrease the number of windings decrease the electric current change the core from wood to iron all of the above

In what order do the effort, fulcrum, and resistance appear on a second class lever?

samantha a high school teacher wants to spend more time with her children and is looking for a job in her field. what would be a great alternative for her

Which of the following characteristics is representative of receptor-level processing, NOT perceptual-level processing? A. detection B. transduction C. magnitude D. spatial discrimination

How would you respond to a person who tells you not to believe scientific theory because theories are only possible for explanations that are not packed by evidence

The passing of heat through a material while the material itself stays in place. A. radiation B. conduction C. convection

What would result from under-coverage? A. a lack of accurate result B. an incorrect independent variable C. an experiment D. accurate result

What can be said about the force of gravity acting on an object that is floating stationary underwater and not moving up or down? A. The buoyant force equals the force of gravity, so there is no net force. B.

A frog in a hemispherical pod finds that he just floatswithout sinking in a fluid of density 1.25 g/cm3. If the pod has a radius of3.00 cm and negligible mass, what isthe mass of the frog?

What is the reasonable estimate for Lim g (x)