7. Calculations.

a. If an object has a mass of 20 kg and has a force of 100 N exerted on it, what would be its

acceleration? Show your work, including which formula you used!

What is the difference between science and pseudoscience? A. Pseudoscientific conclusions are based on empirical evidence, while scientific conclusions are not. B.

Fluorine-21 has a half-life of approximately 5 seconds. What percentage of the original nuclei would remain after 20 seconds

The electric field at the surface of a charged, solid, copper sphere with radius 0.200 m is 3800 N>C, directed toward the center of the sphere.

By what factor does the speed of light increases when light enters from glass to air

A catcher in a professional baseball game exerts a force of - 65.0 N to stop the ball. If the baseball has a mass of 0.145 kg, what is the ball's acceleration as it is being caught?

In equation y = mx means what

Sea anemones can produce completely new organisms by regeneration. Are these new organisms genetically identical to the parents? Why or why not

What are 3 types of muscle tissue still?

Which of the following is a true statement? * Waves do not transport matter through which they travel Waves can transport matter through solids, liquids and gases, but not through empty space.

What happens to the amplitude of a sound wave when energy transfer is increased? A As the transfer of energy is increased, the amplitude increases causing the sound to get louder.