Give a specific example of a machine and describe how its mechanical efficiency might be calculated

Scientist completely understand how the charges inside of a cloud occur? True False

Scientists are studying an organelle that converts solar energy into usable energy what is the organelle they are studying

Which rock was subjected to intense heat and pressure but did not solidify from magma?

Certain neutron stars (extremely dense stars) are believed to be rotating at about 1 rev/s. If such a star has a radius of 20 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?

Rewrite this formula to solve for GGi: DX=fL/GGi

Which of the following choices best represents a potential stressor?

How do you distinguish between speed, velocity, and acceleration?

The force of friction on a sliding object is 10n. the applied force needed to maintain a constant velocity is:

What is the best hypothesis to use for this investigation

Quantum physics would most likely be needed to understand the motion of which of the following? A. an atom B. a cell C. a ball D. a galaxy