A mother pats a child every time he throws a chocolate wrapper in the dustbin. This is an example of (A) Observational Learning (B) Negative Reinforcement (C) Spontaneous recovery (D) Positive Reinforcement

An electric motor rotating a workshop grinding wheel at 1.00 3 102 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.00 rad/s2.

Suppose a car moving in a straight line steadily increases its speed, the first second from 35 to 40 km/hr, the second second from 40 to 45 km/hr, and the third second from 45 to 50 km/hour.

Monochromatic light strikes a metal surface and electrons are ejected from the metal. if the intensity of the light is increased, what will happen to the ejection rate and maximum energy of the electrons?

How to indicate kinetic energy

The isotopes of an element all have the same A. (blank) number but they have different B. (blank) numbers A. atomic, mass B. atomic, mass

What is 1/3 of 300

What geologic features might form at the surface of plate A?

Is it true that mollusks that live in water have lungs

Which is a true statement about waves? A They always travel in every direction at the same time. B. They travel at different speeds through different materials. c. They cannot travel through liquids or solids. D.

What is s the best description of the constructive interference of light? A. two waves have the same direction of displacement. B. two waves have displacement in opposite directions. C. a longitudinal wave meets a transverse light wave D.