A solution with a pH of seven must be

A. An acid

B. A base

C. neutral

D. water

Which of the following represents the equation of motion of a steel ball thrown into a viscous liquid when it is moving with an acceleration a? (A) W-V-U=ma (B) W-U=ma-V (C) W-U-V=0 (D) U-V=W

An example of objects the move in revolution

What type of particle found inside the atom is uncharged

What is the centripetal acceleration of a ball on a string that is whirled horizontally over a boy's head? The radius of the circle is 1.8 meters, and the ball is traveling at 9.2 meters/second.

A 40.-kilogram mass is moving across a horizontal surface at 5.0 meters per second. what is the magnitude of the net force required to bring the mass to a stop in 8.0 seconds?

A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200-kg puck has a speed of 1.00 m/s at an angle of? = 52.0

Ariella drove 40 miles to see her cousin. The trip took Ariella 2 hours. Then drove from her cousins house to a store for 30 miles. It took Ariella to hours to Ariella to arrive at the store. What was the average speed of the trip

A meandering river is flowing in a broad, alluvial valley and the river is silt-laden but also moves sand and a small amount of gravel. The government decides to build a dam across the valley for power and flood control.

The Sun 1. Sara has made this list to summarize what she learned in science class today: 1. Core 2. Radiation zone 3. Convection zone What is the best title for her list? a. The Layers of the Interior of the Sun b. The Layers of the Sun c.

Jack rolled a marble down a ramp and recorded the potential energy and kinetic energy of the marble at different positions on the ramp, as shown in the table.