Most popular questions and responses by mert
  1. physic

    Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass mearth=5.98×1024kg and the sun has mass msun=1.99×1030kg. They are separated, center to center, by r=93millionmiles=150millionkm.

    asked on July 11, 2013
  2. physic

    Consider a train that rounds a curve with a radius of 570m at a speed of 160 km/h (approximately 100 mi/h)Calculate the friction force needed on a train passenger of mass 75kg if the track is not banked and the train does not tilt.

    asked on July 6, 2013
  3. world history

    How did the Minoans and Mycenaens shape early greek civilization? Minoan Society: This site gives the history of early Greek society and discusses the contributions of both the Minoan and Mycenaean eras.

    asked on October 28, 2006
  4. physics

    Find the magnitude of -A+B(vectors),where A(vector) = (31.3, 63.9) B(vector) =(88.5, -142.0)

    asked on October 4, 2014
  1. material balance


    posted on March 28, 2018
  2. physics

    A satellite used in a cellular telephone network has a mass of 2010kg and is in a circular orbit at a height of 770km above the surface of the earthWhat is the gravitational force Fgrav on the satellite? Take the gravitational constant to be G =

    posted on July 11, 2013
  3. physics

    How did you done?

    posted on October 25, 2011