True or False: One dead layer of skin forms the top of the epidermis. A. True B. False

baseball pitcher throws a baseball, which has a mass of 0.145 kg, at a speed of 153 km/h. What is the kinetic energy of the baseball?

A ball with mass 0.13 kg is thrown upward with initial velocity 20 m/s from the roof of a building 30 m high. neglect air resistance. (a computer algebra system is recommended. use g = 9.8 m/s2 for the acceleration due to gravity.

Ordinary charges are usually very large and measured in coulombs

If the centripetal and thus frictional force between the tires and the roadbed of a car moving in a circular path were reduced, what would happen? A. The car would continue to move in the circular path. B. The car would stop moving instantly. C.

What is the most likely reason that a hypothesis would be useful even if experiments show that it is false? New hypotheses and experiments can be developed that better fit the observations made during the original experiments.

If an object experiences a leftward net force, then it will accelerate in which direction? rightward leftward there will be no acceleration

To calculate the ideal mechanical advantage of a lever divide the input arm by the

An ionic compound is a compound that consists of molecules made of atoms that are covalently bonded. True or False?

What is the term for the flow of electric charge

Relation between wavelength wave velocity and time period