How does the mass and size of a dwarf star compare with mass and size of the sun

What did the greeks call the mineral they found and why?

Explain why it may make more sense to colonize on Venus, rather than Mars. Given all the positive characteristics of Venus, why has space exploration focused so much on Mars

Time Intervals in Ice Ages

An object is dropped from a bridge. A second object is thrown downwards 1.0 s later. They both reach the water 20 m below at the same instant. What was the initial speed of the second object

Zero gauge pressure corresponds on the absolute scale to

On a drive from one city to? another, victor averaged 39 mph. if he had been able to average 72? mph, he would have reached his destination 11 hrs earlier. what is the driving distance between one city and the? other?

A motorcycle has a constant speed of 24.3 m/s as it passes over the top of a hill whose radius of curvature is 182 m. The mass of the motorcycle and driver is 391 kg.

Discuss the relationship between acceleration. Are these scalar or vector quantities?

Which is the relationship between photon energy and frequency?

Two like charges are separated by some distance. Describe the quantitatively what will happen to the force exerted by one charge on the other ifa) the distance between the charges is doubledb) the distance between the charges is halvedc) one of the