How do direct and alternating current differ?
How is temperature related to the average kinetic energy of molecules that make up a substance?
What do scientists mean when they say that action equals reaction?
What is the effect of increasing the temperature of a body?
A hunter at a distance dx from a coconut tree points the nuzzle of his gun directly at a monkey sitting on the tree at a height dy. The monkey sees the hunters and drops vertically from the tree at the very instant of firing. Will it be hit by the bullet? Explain.
Under what condition can a moving object be in a state of equilibrium? If you double the net force on an object and keep the mass constant, how will its acceleration be affected? What will happen to the acceleration if the mass of an object is tripled but the force is kept the...
If you were standing in an enclosed car moving at constant velocity, would you have learned in some special way to compensate for the cars motion? What if the car were moving with constant acceleration? Explain.
how many moles of Fe2O2 would be formed by the action of Oxygen one kilogram of iron?