What role does a mild electric shock play in Skinner's operant chamber? A. negative reinforcer B. positive reinforcer C. punisher D. neutral operant

Hydrogen has only one electron in its only (and outer) electron shell. If a hydrogen atom were to absorb a small amount of energy, where would Bohr say the electron would go? A. fly off the atom B. nowhere, it would just speed up. C.

Which element has a complete valence electrons hell?

A hammer is dropped on the moon. it reaches the ground 5 seconds later. if the distance it fell was 5 meters, calculate the acceleration to gravity on the moon

What is the radius of Jupiter?

How many kilocalories are generated when the brakes are used to bring a 1200-kg car to rest from a speed of 95 km/h? 1 kcal = 4186 j?

2. How is frequency described in mathematical terms?

During a summer with little rainfall, your house on a hill slope experiences an interval during which your well runs dry. You have to borrow water from your neighbor who lives downslope from you. Why does your neighbor have water when you don't?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.

you can produce a sound by plucking a string or by blowing in a pipe. how are these two ways different?