Transit of tres-1. the planet tres-1, orbiting a distant star, has been detected by both the transit and the doppler tech- nique, so we can calculate its density and get an idea of what kind of planet it is. a. using the method of mathematical insight 13.3, calculate the radius of the transiting planet. the planetary transits block 2% of the star’s light. the star tres-1 has a radius of about 85% of our sun’s radius.

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is

Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?