Which electromagnetic wave has wavelengths ranging from the size of a printed period to the length of a pen (1*10-3 to 1*10-1 meters) ?

The table below shows the right ascensions of two stars at a location. Star 1 - 4 right ascension (in Hour) Star 2 - 3 right ascension (in Hour) Which of these statements is correct about the stars?

An alarm clock draws 0.5 A of a current when connected to a 120 volt circuit. Calculate its resistance

Melanie completes a long distance run at an average speed of 6 mph. If it takes her 3 hours, how far did she run?

Males have only a single X chromosome. When is there a 0% chance that they will inherit color blindness on that chromosome? A. when the mother and the father have the disorder B. when the father has normal vision and the mother is a carrier C.

If a spring has a spring constant of 2N/m and it is stretched 5cm, what is the force of the spring?

What are two ways that convention currents in the ocean distribute the suns energy?

An astronaut on a strange planet has a mass of 80 kg and a weight of 240 n. what is the value of the acceleration due to gravity on this planet?

A 165g arrow is shot straight up into the air with a speed of 16m/s reaches a maximum height of 12.0612m. a. Find the initial kinetic energy. The acceleration of gravity is 9.8m/s^2. b. Find the potential energy at its highest position. c.

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

What three forms of kinetic energy can a polyatomic molecule have?