How fast (as a percentage of light speed would a star have to be moving so that the frequency of the light we receive from it is 13.0 % higher than the frequency of the light it is emitting?

Sophie says that geologic maps do not matter because she gets no benefits from them. Why is Sophie wrong? a. She can see the ranges of mountains near her house. B. She needs to learn how to read geologic maps in school. C.

What is the altitude of the north celestial pole in the sky from your latitude? If you do not know your latitude, look it up.

Match the term with the definition. Match Term Definition Atom A) a substance that cannot be broken down into a simpler substance Element B) a tiny piece of matter Particle C) a unique form of matter in which it can exist Phase D) the basic unit of

Over the past 150 years, what has happened to the amount of forest cover in Minnesota? A) It has decreased and coniferous forest has replaced parts of the deciduous forest B) It has increased and coniferous forest has replaced parts of the deciduous

Gauss's law of magnetism states that the net magnetic flux through any closed surface is zero. a. True b. False

Marina is using a metal spoon to stir her soup. Why does the soup feel warm? Marina's hand warms the spoon she is holding heat energy from the soup is transferred to the spoon heat energy from the spoon is transferred to the soup

A 1180kg car is moving at a speed of 85.5 km/h. Find the force needed to bring the car to rest in a distance of 300m

Which best states the author's argument in catching sun rays? no power source is clean, free, and renewable. it costs too much to use solar energy for power. the use of solar energy can cause blackouts in big cities.

A possible means of space flight is to place a perfectly reflectingaluminized sheet into orbit around the Earth and then use the lightfrom the Sun to push this "solar sail." Suppose a sail of area5.

An electric circuit consists of a variable resistor connected to a source of constant potential difference. If the resistance of the resistor is doubled, then