With the aid of fig. 2.7, estimate the energy remaining in a beam of 5Mev proton after through 100 micro meter of silicon

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon