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

What is the velocity of the particle when its acceleration is zero?

What is the frequency heard by a person driving at 15 m/s toward a factory whistle emitting a frequency of 800. Hz? (speed of sound that day 340. m/s)

Which best describes the ages of the rocks on opposite sides of and the same distance from, A Seafloor spreading center? A. The rocks are the same age B. There is no way to compare the two ages C. The rocks closest to the continent are younger

if a house had timber walls would the heating bill be higher or lower than a house with fiber board and why

What is the purpose of armature

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

A person walks 7 feet east stops and walks 7 feet west

Using the drop-down menus, choose the right government service to complete each sentence. Providing a free public education for all children is an example of supporting. Fighting fires is one way in which the government ensuresfor citizens.

A galilean telescope adjusted for a relaxed eye is 36cm long. If the objective lens has a focal length of 40cm, what is the magnification?

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration