1) What kind of waves are present during an earthquake? ...
2) What kind of energy does an unlit match have? ...
3) Which of these is another way to write Newton's second law of motion? ...
4) What is it called when light changes direction after leaving a lens? ...
5) How do you calculate density?
Answers
Explanation:
1)There are four main types of earthquake waves: P-waves and S-waves (which are body waves), and Rayleigh waves and Love waves (which are surface waves). Love waves tend to cause the most damage due to their large amplitude and P-waves the least, but P-waves are the first to arrive.
2)potential energy
The type of energy that an unlit match has is potential energy.
3)In equation form, Newton's second law of motion is a=Fnetm a = F net m . This is often written in the more familiar form: Fnet = ma. The weight w of an object is defined as the force of gravity acting on an object of mass m.
4)For a lens it is called refraction. ... Refraction is the change in the direction of light when passing from one transparent medium to another. The phenomenon of refraction takes place because of the difference in speed in different media.
5)Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.
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