The planet Alderaan has a mass of 6.29*10^ 24 kg and a radius of 5940 km. It rotates on its axis once every 3.7 hours. (a) Calculate the apparent weight of a 75 kg astronaut on the equator of Alderaan. (b) Alderaan has moon that circles the planet once every 38.2 hours. What is the radius of the moon's orbit?

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

The device shows the relative humidity at 22°c. what’s the water vapor density if the maximum water vapor in air at this temperature is 20 grams/cubic meter? a device showing that at 22 degrees celsius the relative humidity is 58%. a. 11.6% b. 11.6 g/m3 c. 12.76% d. 12.76 g/m3 reset next