If a rock is dropped off a cliff with the initial speed of 0 m/s what is rocks speed after three seconds if there is no air resistance

What organisms disappeared duing Precambrian

Why do researchers work in teams?

What forces are acting apon a still soccer ball on a flat field

Use the following terms in the same sentence: proton, neutron, and isotope

A material that resists the flow of electrons is called a (n)

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