Which statement best describes an antacid? a) An antacid increases the amount of hydrogen ions b) An antacid neutralizes excess hydrogen ions. c) An antacid decreases the level of hydrogen ions.

In a series circuit with three bulbs, adding another bulb will a. make the nearest bulb brighter. b. make some of the bulbs dimmer. c. make all the bulbs brighter. d. make all the bulbs dimmer.

Identify the charge (s) with increasing electric potential energy + + + + + +- Identify the charge with decreasing electric potential energy Identify the charge with constant electric potential E + + E energy - B A 3D

If an object moved at 30.0 m/s and at a later time covers half the distance in the same time, calculate its new speed.

Joe moved to a new town and was having a hard time making friends. Recently he met some people he really liked at a party. They started smoking marijuana and offered him some. He smoked the marijuana, even though he didn't want to.

If a ball is given a push so that it has an initial velocity of 5 m/s down a certain inclined plane, then the distance it has rolled after t seconds is given by the following equation. s (t) = 5t + 2t2 (a) Find the velocity after 2 seconds.

A rightward force of 302 n is applied to a 28.6 kg crate to accelerate it across the floor. thye coefficient of friction between the crate and the floor is 0.750. determine the acceleration

How the properties of sound waves change as they spread out in a spherical pattern

If legos are plastic can they be recycled?

At an accident scene on a level road, investigators measure a car's skid mark to be 93 m long. It was a rainy day and the coefficient of friction was estimated to be 0.35.

How does a shorter wavelength affect the frequency of a wave?