A ball is thrown horizontally at 12.2 m/s from the roof of a building and lands 21.0 m from the base of the building. How high is the building?

Which statements about local and global winds is true

An insulated container with a divider in the middle contains two separated gases. Gas 1 is initially at a higher temperature than gas 2. The divider is then removed.

A mirror what a flat surface is a a.) convex mirror b.) concave mirror c.) plane mirror d.) virtual mirror

When air freshener is sprayed in a room the smell spreads throughout the room. Gases take the shape and volume of their container because the particles A) are close together and in a fixed pattern.

Trina makes a diagram to summarize how to use the right-hand rule to determine the direction of the magnetic force on each type of charge. A venn diagram with 2 intersecting circles.

How do we use light in space?

What units are used for gravitational potential energy? Write the name, not the symbol.

A 7.5 kg block is placed on a table. If it's bottom surface area is 0.6m2, how much pressure does the block exert on the tabletop? A. 376.5 Pa B. 73.5 Pa C. 226.5 Pa D. 122.5 Pa

A boulder of mass 2000 kg is at the top of a cliff of height 220 m. Determine how fast the boulder will be moving when it strikes the dirt below.

Which of the following statements are true? Check all that apply. O A positive charge and a negative charge attract each other. O Electric charge is conserved. O Two positive charges attract each other. O A neutral object contains no charge.