What do cell phones require to work?

A. The GPS system

B. Ultraviolet rays

C. A cellular system

D. X-rays

What do waves transmit A-depends on the medium B-Sound C-Enrgy D-Matter E-Water

a plane lands on the runway and slows from 758km/hr to 30km/hr in 0.013 hours what is the planes acceleration?

What do wind turbines, hydroelectric dams, and ethanol plants have in common

Give two example for push or pull to change the state of motion of time two examples

A 15.0-kilogram mass is moving at 7.50 meters per second on a horizontal, frictionless surface. What is the total work that must be done on the mass to increase its speed to 11.5 meters per second? (1) 120. J (3) 570. J (2) 422 J (4) 992 J

Which source is most likely an authority on the subject? Dr. Vale, a pediatrician, discusses electrical circuitry on her home-improvement website. Jonah, an amateur cook, teaches his son how to make the best grilled cheese sandwiches.

What methods can be used to break down substances into elements

8. A gas is contained in a horizontal piston-cylinder apparatus at a pressure of 350 kPa and a volume of 0.02 m3. Determine the work done by the piston on the gas if the cylinder volume is increased to 0.15 m3 through heating.

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?

The hinge at A and cable BDC support beam ABC. Cable BDC passes over the pulley D that is pinned to the ceiling. (Assume that the + x-axis is to the right and the + y-axis is up along the page.