The graph below represents the relationship between speed and time for an object moving along a straight line. What is the total distance traveled by the object during the first 4 seconds

Which two particles are found in the center of an atom

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero