Who is known as the father of chemistry because he first organized all known elements into four different groups

A 1600 watt blow dryer is plugged into a source of 120 volts. What will the current through the blow dryer

What is the formula for finding relative density of a liquid

Which of the following is the most accurate statement concerning the properties of matter? a. they can be written as symbols b. they can be observed and measured c. they cannot be tested or verified d. they change with the amount of matter present

1. When a star collapses to form a black hole, its mass a. decreases b. remains the same

The force that opposes the motion of one surface as it moves across another surface is referred to as

What is the dimension of n if force is given by the equation F=6pie rvn

A slanted vector has a magnitude of 41 N and is at an angle of 23 degrees north of east. What are the magnitude and direction of the horizontal and vertical components of this vector?

A wheel with rotational inertia 0.04 kg•m2 and radius 0.02 m is turning at the rate of 10 revolutions per second when a frictional torque is applied to stop it. How much work is done by the torque in stopping the wheel?

The process in which light travels through an object is called

What is the magnitude of the vector described below? "15 ft/s down" A. 15 ft/s B. Feet C. Feet per second D. Down