In an atomic model that includes a nucleus, negative charge is

A. concentrated in the center of an atom.

B. spread evenly throughout the nucleus.

C. concentrated at multiple sites in the nucleus.

D. located in the space outside the nucleus.

Oil and greets are substances that used to reduce friction that was that reduce friction are called what

Which best describes acceleration? A. distance over time B. speed in a particular direction C. change in velocity over time

Raindrops hitting the side windows of a car in motion often leave diagonal streaks even if there is no wind. Why? Is the explanation the same or different for diagonal streaks on the windshield?

Which statement describes a surface wave?

During a biology lab, students use a small knife called a scalpel to examine a large cricket. One student is accidentally cut by the scalpel.

A fishbowl has a circular opening with a diameter of 13 cm. The fishbowl sits upright on a table in a magnetic field of 0.00110 T that is directed downward. What is the flux through the glass of the bowl? -1.5*10^-5 Wb -4.5*10^-4 Wb 0.0 Wb -5.

Why do cars need a cooling system in conjunction with the engine

A runner starts from rest and has an acceleration of 3 m/s2. How fast is she running after 1.1 seconds

Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?

A light ray travels inside a horizontal plate of glass, striking its upper surface at an angle of incidence of 50°. This ray is totally internally reflected at the glass-air boundary. A liquid is then poured on top of the glass.