The equations for calculating both the electric force and the gravitational force are above. Their equations are very similar. What is an important difference between these two forces? A The electrical force is measured in coulombs; the gravitational force is measured in newtons.

B The electrical force between two charged objects will always be weaker than the gravitational force between them.

C The gravitational force decreases with the square of the distance between the objects; the electrical force increases with the square of the distance between the objects.

D Electrical forces can be attractions or repulsions; gravitational forces can only be attractions.

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

There is a theory that indicates that dinosaurs became extinct when about 65 million years ago, a large asteroid hit the earth surface. dust caused by this collision blocked the sunlight reaching the earth's surface and many forms of life became extinct due to the cold. fearing this threat, how large the radius of an asteroid should you be looking for if the dangerous asteroid size is approximately the same as the one that killed the dinosaurs? available data suggests that about 18% of that asteroid's mass ended up as a dust spread evenly over earth after eventually settling out of the upper atmosphere. about 0.0180 g/cm^2 of dust, which is chemically different than the earth's rock, covered the earth's surface. typical asteroids have a density of about 1.9 g/cm^3. now that we know the size of the asteroid, how much energy was released during impact, assuming all of it was just the kinetic energy of the asteroid right before the impact?

The substances that are necessary for producing of certain hormones and that store and transport vitamins