What's a Scientific law

11. Which of the following best explains velocity? A. The direction of an object in motion B. Only the change of direction of an object in motion C. The speed and direction of an object in motion D. The speed of an object in motion

How many electrons does eaach shell hold?

What are the signs of the angular velocity ω and angular acceleration α of the pulley in case (a) ? by convention, clockwise rotations are negative and counterclockwise rotations are positive?

In which direction does earth's magnetic field move? Select all that apply. A. Magnetic north to magnetic south. B. Magnetic south to magnetic north. C. South pole to north pole. D. North pole to south pole

How many significant digits are in 0.3500

Regarding perspectives on abnormality, what is the common ground between the medical and psychoanalytic perspectives? a. Both view abnormal behaviors as symptoms of underlying problems. b.

The force in Newtons on a particle directed along the x-axis is given by F (x) = exp ( - (x/5) + 5) for x≥0 where x is in meters. The particle is constrained to move along the x-axis.

What are electromagnetic waves? what are its characteristics? how do we classify them?

A gas is collected from a radioactive material; upon inspection, the gas is identified as helium. The presence of the helium indicates the radioactive sample is most likely decaying by: A). alpha B). beta + C). beta - D). gamma

Is 30 minutes to nine the same as 30 minutes after 8 in life