A violent windstorm that forms a rotating column of air called a vortex is a

A. hurricane.

B. thunderstorm.

C. nor'easter.

D. tornado.

Which formula can be used to find the x-component of the resultant vector?

A student attempts to slide a block down a smooth, dry ramp as shown, but the block does not move. The most likely explanation is that: a. the ramp is not steep enough for gravity to have any effect. b.

The table shows columns that Franklin uses to organize his notes on the properties of elements. His notes state that some elements are widely used in semiconductors.

What is the best way to show forces

The orbital period of an object is 2 * 107 s and its total radius is 4 * 1010 m.

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp

Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. What is one possible choice for the ther element in the compound?

A ship leaves the island of Guam and sails a distance 255 km at an angle 49.0 o north of west. Part A: In which direction must it now head so that its resultant displacement will be 125 km directly east of Guam?