Suppose the Sun suddenly stopped emitting light. How long would it take, in seconds, for the Sun's light to disappear on Earth? (Hint: The Sun is an average of 150 million km from Earth).

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