When you turn up the thermostat on your furnace several things happen. which of these would be considered a chemical property of matter?

A) hot air rises

B) fuel can burn in the furnace

C) air moves in a convection current

A light wave has a frequency of 2 x 108. What is the wavelength of the light wave? (Assume the speed of light to be 3 x 108.) Your Answer:

Problema 1 Dos ciudades A y B están separadas por una distancia 1200 Km. Desde A sale hacia B un móvil con velocidad constante de 50 Km/h. una hora y media después sale desde B hacia A otro móvil con velocidad constante de 85 Km/h.

What is friction? How does it affect the motion of an object?

If you wanted to increase the gravitational force between two objects, what would you do?

What is the angle between a rigid object and the force applied to it that yields torque using the equation T=Fd?

StA A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.

In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.

The brightness of a star depends on what three factors?

What is most likely the relationship between Mendel's rules of genetics and Darwin's idea of biological evolution? Mendel's genetics states laws that are now part of the theory of biological evolution.

Why would it be a problem if your household appliances were connected in a series circuit