The activity of a radioisotope is found to decrease 40% of its original value in 2.59 x 10 s. Calculate the decay constant of the radioisotope.​

Which energy transformation occurs in the core of a nuclear reactor? nuclear energy mechanical energy nuclear energy - thermal energy thermal energy -- nuclear energy mechanical energy - nuclear energy

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

What are the factors that affect the resistance of a wire?