an artificial satellite revolves around the earth at a distance 3400km, calculate its orbital velocity and period of revolution(use radius of earth Re=6400km; g=10m/s(2)​

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.