A provides resistance in an electric circuit.

a. wire

b. light bulb

c. switch.

d. battry

Reaction time is the lapse of time between muscular movement and external stimuli. True or false

A car's momentum is p when it is traveling with a velocity of v. If the velocity of that car doubles, what is the new momentum of the car? 1/2p p 2p 4p

Intermolecular forces hold together which of the following? atoms molecules charged particles compounds

One section of a pipe carrying water has a cross-sectional area of 20 cm2; in this section the water has flow velocity of 1.0 m/s. Another section of this pipe has a constricted cross-sectional area of 5 cm2.

Why is physical science important

What should you do when operating a boat in large waves and high wind?

A planetary nebula forms when the outer layers are expelled from which type of star?

During a medical condition screening lung capacity testing is a standard procedure. True of false

Which of the following is a unit of energy found in food? a). vitamin b) calorie c) nutrient d) water

As one goes from left to right in a period, which of the following is true? A. The number of protons decreases. B. The number of valence electrons increases. C. both A and B D. none of the above