A negative charge of -4.00 x 10 -5 C and a positive charge of -6.00 x 10 -5 C are separated by 0.400 m. What is the force between the two charges? Is the force attractive or repulsive?

Avalue that describes how heavy an object is and is related to the force of gravity is

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy