There are many different ways to classify matter but one way to only use two categories for all matter. All matter can be classified as either

A) solids or liquid

B) mixtures or substances

C) atoms or molecules

D) elements or compounds

The black mamba is one of the world's most poisonous snakes, and with a maximum speed of 18.0 km/h, it is also the fastest. Suppose a mamba waiting in a hide-out sees prey and begins slithering toward it with a velocity of + 18.0 km/h. After 2.

A 1.30 m cylindrical rod of diameter 0.550 cm is connected to a power supply that maintains a constant potential difference of 14.0 V across its ends, while an ammeter measures the current through it. You observe that at room temperature (20.

Determine the mechanical energy of this object; a 1-kj ball rolls on the ground at 2m/s a. the ball is on the ground, so the mechanical energy is zero b. 2j c. 1j d. 4j

Why does blood make a complete loop in our bodies?

What is any energy resource that can be used in place of fossil fuels called

if 100 grams is equal to 1 newton of force, and the water displaced by an object would have a mass of 40 grams, what is its buoyant force on that object?

A charge if 2 nC is placed 10cm to the right of a conducting sphere with a diameter of 2 cm. A charge of 5 nC is placed 10 nC to the left of the same sphere. determine the charge at the center of the sphere.

1) How is chemical energy transformed into potential energy?

A double-paned window has two glass panes separated by a layer of air. Why is air, rather than glass, used to fill this space?

To determine waves frequency you must know the what