Which of the following describes acceleration?

m/s

s/m

m/s2

m2

How can eclipsing binary stars be identified? They are brighter than any single stars. They are cool red stars. They are all white dwarfs. They become dimmer at regular intervals.

The bending of waves as they pass from one medium to another is known as

Why do the astronauts float inside space stations?

A charged ball of mass 10g and charge 2 C is placed at rest in a field of field strength 5NC as shown. The acceleration of the ball is

What is the spring constant of a pendulum?

most of earth water a. contains salt b. is freshwater c. is frozen in glaciers d. is found underground

Kilogram definition

a force of 9.0N is applied to a body at rest on a smooth horizontal surface. if the body has a mass of 18.0Kg and it moves in the direction of the force, find the workdone in (a) the first four seconds. (b) the fourth second

The gravitational force a. is a natural force like the strong and weak nuclear forces. b. weakens as 1/d, where d is the distance between objects. c. is the fundamental force repelling two masses from each other. d.

What are the minimum requirements for airplane operations under special VFR in Class D airspace at night?