Is a tape dispenser a pulley or a wheel and axis?

For the energy function V (x) = cos (x) for - [infinity] ≤x≤ + [infinity], find the values x=xsthat identify stable equilibria, and the values x = xuthat identify unstable equilibria.

Summarize Newton's First Law

Why is nuclear fusion possible in the core of stars? A. Hydrogen only exists in the core of stars. B. Hydrogen and helium nuclei require a lot of light to bond together. C.

What is meant by coefficient of something like there are coefficient of thermal conductivity and so on.

What continent is partially in all four hemispheres

What is energy? (Not the answer from google search.)

Explain why the friction force between two surfaces increases if the force is pushing the surfaces together increases.

As energy moves in waves through the water, the water moves a. in waves toward shore. c. in the direction of the waves. b. in a small circular movement. d. against the current.

Which of the following values represents an index of refraction of an actual material? A. 0 B. 1 / 4 C. 5 / 4 D. 1 / 2

Which statement best describes the effect of scientific advances on society? A. They always have a positive impact on society. B. They are inspired by the needs of society. C. they do not affect society beyond the community level. D.