What four regions of the electromagnetic spectrum

Following a car accident, a person is able to walk, but she is not able to move her arms. This person most likely severed A) a lumbar nerve B) a coccygeal nerve C) a cervical nerve

Which situation involves an object that can be considered to be in free fall? A) a bungee jumper just before reaching the bottom of a jump. B) a ball at the top of its motion after being thrown straight up in the air.

If two resistors of value r are connected in series and then in parallel, what is the difference in equivalent resistance in both cases? a) 0 b) 3R/2 c) R/2 d) 2/R

A specimen of aluminum having a rectangular cross section 9.9 mm * 12.4 mm (0.3898 in. * 0.4882 in.) is pulled in tension with 35900 N (8071 lbf) force, producing only elastic deformation. The elastic modulus for aluminum is 69 GPa (or 10 * 106 psi).

The atomic mass of an element is A. The average mass of all the isotopes of the element B. A measure of the density of that element C. The mass of the most common isotope of that element D.

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?