Two planets p1 and p2 orbit around a star s in circular orbits with speeds v1 = 44.0 km/s, and v2 = 56.2 km/s respectively. (a) if the period of the first planet p1 is 700 years what is the mass, in kg, of the star it orbits around? kg

In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. what is the path difference between the two waves corresponding to the third bright band out from the central bright band?

What did Young's observation of an interference patter for light show about the nature of light? -light travels at extremely high speed -light consists of particles -light behaves as a wave -the speed of light is a constant

A person walking at 3.4 miles per hour change to mm/s

Which term do we use when we are seeing more and more of the lighted portion of the moon each night new full waning waxing

Select the four components of which the entire physical universe exists. time force space matter motion gravity energy

The planet earth orbits around the sun and also spins around its own axis. 33% part (a) calculate the angular momentum of the earth in its orbit around the sun in kg • m2/s

An electron experiences a magnetic force of magnitude 4.60 x 10^-15 N when moving at an angle of 60.0° with respect to a magnetic field of magnitude 3.50 x 10^-3 T. Find the speed of the electron.

If you jump vertically while inside a fast-moving train that is slowing down, you land: a. a bit behind your original position. b. at your original position. c. a bit ahead of your original position.

In the sky, you see a red star and a blue star. Which one is hotter? A. The red star B. They are probably the same temperature C. The blue star D. The answer will depend on how far away the stars are

Describe the relationship between force and mass when the acceleration of two objects remain constant