A ball of mass = 1kg and radius RO=RO=0.1 is placed on a semicircular track with radius R1 that leads to a circular loop track that has a radius R2=3.0m. The ball rolls through all parts of the track without slipping. Note that the radius of the ball is not negligible, ie, it effectively decreases the radius of the looped track by RO. If the ball is to remain on the track at all times.

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.

Does current flow through or across a resistor?

To place a communications satellite into a geosynchronous orbit at an altitude of 22,240 mi above the surface of the earth, the satellite first is released from a space shuttle , which is in a circular orbit at an altitude of 185 mi, and then is propelled by an upper-stage booster to its final altitude. as the satellite passes through a, the booster's motor is fired to insert the satellite into an elliptic transfer orbit. the booster is again fired at b to insert the satellite into a geosynchronous orbit. knowing that the second firing increases the speed of the satellite by 4810ft/s, determine (a.) the speed of the satellite as it approaches b on the elliptic transfer orbit, (b.) the increase in speed resulting from the first firing at a.