Which do you think will penetrate farther into a block of lean, x-rays or gamma rays? Explain your reasonings.
A car traveled at an average velocity of 97 km/hr. If it traveled for 4 hrs, how far did the driver get?
you find out that it takes 2 sec. for the swing to complete one cycle. what is the swing`s period and frequency?
Which of the following must be true about the object labeled X in the circuit below? A. It is providing current B. It is providing resistance C. It is a battery D. It is increasing the current
which type of relationship exists when a certain type of trees roots need a fungus present in order to grow normally