When electrical energy is being used by an electric light, what really happens to the energy?

A. it is given off as other forms of energy

B. it changes to matter

C. it stops at the electric light

D. it disappears

Climate gets colder closer to the poles because a, the ice at the poles absorbs the Sun's rays. , atmospheric and oceanic clrulation patterns move cold air toward the poles. c, heat from the poles is transferred toward the equaror. d.

A glass window is a clear object that light passes through as it travels in a straight line. This is a good example of A. refraction of light. B. transmission of light. C. absorption of light. D. reflection of light.

Gases have two specific heat values ... ? a: one at constant temperature and another at constant pressure b: one at constant volume and another at constant temperature c: one at constant volume and another at constant pressure

In which situations is the principle of cross-cutting relationships useful in determining relative age? Check all that apply. A fault breaks through sedimentary layers. The formation of an intrusion in the Earth's surface.

A glider moving with a speed of 200 kilometers/hour experiences a cross wind of 30 kilometers/hour. What is the resultant speed of the glider relative to the ground?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, while that of the vacuum cleaner is 5.7 A. Determine the power consumed by (a) the blow-dryer and (b) the vacuum cleaner.

4. A 40 kg child and a 30 kg child want to balance themselves on a 4 meter, 50 kilogramn see-saw. Where should the fulcrum be placed?

A 2-kg object is dropped from a height of 1000 m. What is the force of air resistance on the object when it reaches terminal velocity