The lowest level of stimulation that a person can consciously detect 50 percent of the time the stimulation is present is called what?

All matter is composed of atoms, which are, in turn, composed mostly of empty space. why is it not possible to walk through a wall or to put your hand right through your desk?

Why can't you you use a pump to lift water to the third floor?

Part a consider another special case in which the inclined plane is vertical (θ=π/2). in this case, for what value of m1 would the acceleration of the two blocks be equal to zero?

A small 15 kilogram canoe is floating downriver at a speed of 2 m/s. what is the canoe's kinetic energy?

Acceleration due to gravity on earth is: A) 9.8 B) signified by the letter g C) a downward acceleration D) all of the above

Explain the process of synaptic transmission, beginning with the neurotransmitters at the axon terminal of the presynaptic cell and ending with the impulse being sent down the postsynaptic cell.

Which of the following is a false statement about dispersion forces? View Available Hint (s) Which of the following is a false statement about dispersion forces?

Which choice defines AC and DC correctly? In AC, electrons moving in one direction. In DC, they move in one direction and then in the other direction. In DC, electrons move in only one direction.

Why a c is advantageable than dc

Which is the larger change in temperature 1 Kelvin or 1 degree Celsius