When the energy of a stimulus falls below the absolute threshold, its presence cannot be detected. true or false?

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a. the kinetic energy increases. b.the kinetic energy decreases. c.the kinetic energy remains the same. d.the kinetic energy is always zero.

What object a collides with object b and bounces back its final momentum is?