A satellite travels around a planet at 6.5x10^3 m/s with an orbital radius of 1.1x10^7m.
What is the speed of an identical satellite traveling at half the orbital radius?

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

Avoltaic cell converts chemical energy to