Why don't' we use vacuums anymore to collect hair and fibers?

An object moving at a velocity of 32m/s slows to a stop in 4 seconds. What was its acceleration?

What volume is occupied by 2.35 moles of he at 25 degree c and a pressure of 0.980 atm?

A conductor carrying a current I = 13.8 A is directed along the positive x axis and perpendicular to a uniform magnetic field. A magnetic force per unit length of 0.116 N/m acts on the conductor in the negative y direction.

How does rock form in the asthenosphere

A stone is dropped from the top of a cliff. the splash it makes when striking the water below is heard 3.5 s later. the speed of sound in air is 343 m/s.

An arrow is shot upward on mars from ground level with a velocity of 60 meters per second. Its height (in meters) after t seconds is given by 2 s (t) = 60t - 1.9t^2.

Energy transformations in a bouncy house

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action

How do evaporation and condensation relate to heat