Which o the following phrases bet describes a physical model?

A. An exact copy of an object, system, or process

B. A chemical formula

C. A graph or equation

D. A representation of an object, system, or process

When an object stops moving, changes speed, or changes direction, how does a scientists describe that condition? A. Unbalanced forces B. Frictional force C. A balanced set of forces D. stable factors

Are most earthquakes and volcanoes located near the center of of continents or near the edges?

It may seem dangerous to be in a car during a thunderstorm, but it's actually relatively safe. Since the car is essentially a metal box, the inside of the car is electrically neutral. Why does any charge on the car move to its outside surface

How do your shoe laces relate to a pulley

Which of e following conditions would decrease the ability of a person to bear a sound? A. The frequency of the sound remains steady at 100Hz. B. The liquid medium in which the sound travels is replaced with elastic solid. C.

A small car collides with a large truck. Is the magnitude of the force experienced by the car greater than, less than, or equal to the magnitude of the force experienced by the truck? a. less than b. equal to c. greater than

As an airplane is taking off at an airport its position is closely monitored by radar. The following three positions are measured with their corresponding times: x1 = 241.22 m at t1 = 3.70 s, x2 = 297.60 m at t2 = 4.20 s, x3 = 360.23 m at t3 = 4.

A stunt car with a mass of 1000 kg crashes into a tree on a movie set during the collision acceleration of the car with 3 m what was the force of impact of the collision on the car

A circuit with a current of 400 amp has several lights that have a total resistance equal to 30 ohms. Find the voltage.

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71