Suppose a logs mass is 5kg. after burning, the mass of the ash is 1kg. explain what may have happened to the other 4kg

If the thermal energy of the system increases by 600j and 1400of heat were added th the system how much work did the system do

What is the relationship between electricity and magnetism?

As heat is added to water, is it possible for the temperature measured by a thermometer in the water to remain constant? a. Maybe; it depends on the rate at which the heat is added. b. No, adding heat will always change the temperature. c.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Jake has noticed his best friend Alison cheating at chess several times this week. If she gets caught, she will be kicked off the chess team, of which she is the president. What should Jake do?

Which of these could NOT be used to find the mechanical advantage of an inclined plane? A. input force B. output force C. percent efficiency D. length and height of inclined plane

What are the Rules of magnetism

Two spheres of the same radius, but of different masses, are both fully submerged in water. The lighter sphere is held below the water line by a rope anchored to the bottom of the container. The heavier sphere is suspended from a rope.

How does an increase in thermal energy affect molecules?

Which of the following is an example of applied research?