In the drawing above, the distance from the ground to the floor of the trailer is 20 inches. The length of the ramp is 40 inches. What is the mechanical advantage of this simple machine? A. 2

B. 1/2

C. 1/3

D. 20

Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.

What are igneous intrusions and extrusions

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=