Sound waves

a. have an irregular vibration pattern.

b. do not require a medium for transmission.

c. are a change of pressure that moves through matter.

d. move at the same rate at any given temperature.

Which are the components of a typical refracting telescope? hints?

Which of these statements best supports the conclusion that a substance is in the plasma phase? A) The substance is flowing. B) The substance has low kinetic energy. C) The substance is at a high temperature.

How do you calculate heat resistance

I am trying to find the magnitude of a resultant vector. Do i take inconsideration the negatives when i find the x & y components of the two vectors

Give two examples of common force fields and name the sources of these fields.

A hurricane in the Gulf of Mexico to 15 hours to travel 360 kilometers. What is the average speed of this hurricane in kilometers per hour?

Which organization functions to privide clinics and surgeries i developing nations

What role do convection currents play in oceans and the atmosphere?

What causes density currents to form in the mediterranean sea? a. condensation b. evaporation c. transpiration d. upwelling

How long does it take a car to travel 450 km at 75 km/hr