What is the relationship between the electric field strength at a point and it’s distance from the source charge? the answer is b. as the distance increases, the electric field strength decreases

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?