Why is density used to determine the identity of matter?

he chart lists four different kinds of atoms. What is true about all of these atoms? They cannot be solids. They are the largest units of matter. They are the only types of atoms that exist. They cannot be divided.

A parachutist descending at a speed of 15.1 m/s loses a shoe at an altitude of 41.2 m. What is the speed of the shoe just before it hits the ground? The acceleration due to gravity is 9.81 m/s^2.

A 45 v battery is connected to a 10.0 ohm resistor in series. What will be the total current in the circuit?

A 3.0-kg block sits on top of a 5.0-kg block which is on a horizontal surface. The 5.0-kg block is pulled to the right with a force F⃗ as shown in the figure. The coefficient of static friction between all surfaces is 0.

What are the two most important heat-absorbing gases in the lower atmosphere?

Sixty-three joules of heat are added to a closed system. The initial internal energy of the system is 58 J, and the final internal energy is 93 J. How much work is being done by the system? 28 J 30 J 88 J 151 J

The attendance qt a seminar in a year 1 was 500 in year 2 the attendance changed by 100 what was the percent change in attendance?

A worker stands still on a roof sloped at an angle of 35° above the horizontal. He is prevented from slipping by static frictional force of 560 N. Find the mass of the worker.

A bowling ball is far from uniform. Lightweight bowling balls are made of a relatively low-density core surrounded by a thin shell with much higher density. A 7.0 lb (3.2 kg) bowling ball has a diameter of 0.216 m; 0.196 m of this is a 1.

Argument changes meaning because of an ambiguous word or phrase. A. equivocation B. fallacy of division C. amphiboly D. fallacy of accent