216 joules of energy is required to raise the temperature of aluminium from 15 degrees Celsius to 35 degrees Celsius. Calculate the mass of aluminium.

Note : the specific heat capacity of aluminium is 9.2 X 10^2

How is the milky way galaxy different from our solar system?

A thin slice of silicon that contains many solid-state components is a (an) •transistor •integrated circuit •diode •cathode-ray tube

For the hypothetical reaction A → B, calculate the average rate of disappearance of A if the initial concentration of A is 0.91 M and the concentration of A after 90 minutes is 0.11 M.

Which is an example of Earth's conditions slowly changing? a. meteors striking c. continents moving b. volcanoes erupting d. a mass extinction

A circuit is constructed with six resistors and two batteries as shown. the battery voltages are v1 = 18 v and v2 = 12 v.

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?